* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*****************************************************************************/
#include <linux/module.h>
+#include <linux/sched.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/interrupt.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/serial.h>
+#include <linux/seq_file.h>
#include <linux/cdk.h>
#include <linux/comstats.h>
#include <linux/istallion.h>
#include <linux/device.h>
#include <linux/wait.h>
#include <linux/eisa.h>
+#include <linux/ctype.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#define BRD_BRUMBY4 2
#define BRD_ONBOARD2 3
#define BRD_ONBOARD 4
-#define BRD_BRUMBY8 5
-#define BRD_BRUMBY16 6
#define BRD_ONBOARDE 7
-#define BRD_ONBOARD32 9
-#define BRD_ONBOARD2_32 10
-#define BRD_ONBOARDRS 11
-#define BRD_EASYIO 20
-#define BRD_ECH 21
-#define BRD_ECHMC 22
#define BRD_ECP 23
#define BRD_ECPE 24
#define BRD_ECPMC 25
-#define BRD_ECHPCI 26
-#define BRD_ECH64PCI 27
-#define BRD_EASYIOPCI 28
#define BRD_ECPPCI 29
#define BRD_BRUMBY BRD_BRUMBY4
* interrupt is required.
*/
-typedef struct {
+struct stlconf {
int brdtype;
int ioaddr1;
int ioaddr2;
unsigned long memaddr;
int irq;
int irqtype;
-} stlconf_t;
-
-static stlconf_t stli_brdconf[] = {
- /*{ BRD_ECP, 0x2a0, 0, 0xcc000, 0, 0 },*/
};
-static int stli_nrbrds = ARRAY_SIZE(stli_brdconf);
+static unsigned int stli_nrbrds;
/* stli_lock must NOT be taken holding brd_lock */
static spinlock_t stli_lock; /* TTY logic lock */
static char *stli_serialname = "ttyE";
static struct tty_driver *stli_serial;
-
+static const struct tty_port_operations stli_port_ops;
#define STLI_TXBUFSIZE 4096
* with this termios initially. Basically all it defines is a raw port
* at 9600 baud, 8 data bits, no parity, 1 stop bit.
*/
-static struct termios stli_deftermios = {
+static struct ktermios stli_deftermios = {
.c_cflag = (B9600 | CS8 | CREAD | HUPCL | CLOCAL),
.c_cc = INIT_C_CC,
+ .c_ispeed = 9600,
+ .c_ospeed = 9600,
};
/*
*/
static comstats_t stli_comstats;
static combrd_t stli_brdstats;
-static asystats_t stli_cdkstats;
-static stlibrd_t stli_dummybrd;
-static stliport_t stli_dummyport;
+static struct asystats stli_cdkstats;
/*****************************************************************************/
-static stlibrd_t *stli_brds[STL_MAXBRDS];
+static DEFINE_MUTEX(stli_brdslock);
+static struct stlibrd *stli_brds[STL_MAXBRDS];
static int stli_shared;
*/
#define BST_FOUND 0x1
#define BST_STARTED 0x2
+#define BST_PROBED 0x4
/*
* Define the set of port state flags. These are marked for internal
"Brumby",
"Brumby",
"ONboard-EI",
- (char *) NULL,
+ NULL,
"ONboard",
"ONboard-MC",
"ONboard-MC",
- (char *) NULL,
- (char *) NULL,
- (char *) NULL,
- (char *) NULL,
- (char *) NULL,
- (char *) NULL,
- (char *) NULL,
- (char *) NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
"EasyIO",
"EC8/32-AT",
"EC8/32-MC",
* parse any module arguments.
*/
-typedef struct stlibrdtype {
+static struct stlibrdtype {
char *name;
int type;
-} stlibrdtype_t;
-
-static stlibrdtype_t stli_brdstr[] = {
+} stli_brdstr[] = {
{ "stallion", BRD_STALLION },
{ "1", BRD_STALLION },
{ "brumby", BRD_BRUMBY },
module_param_array(board3, charp, NULL, 0);
MODULE_PARM_DESC(board3, "Board 3 config -> name[,ioaddr[,memaddr]");
+#if STLI_EISAPROBE != 0
/*
* Set up a default memory address table for EISA board probing.
* The default addresses are all bellow 1Mbyte, which has to be the
};
static int stli_eisamempsize = ARRAY_SIZE(stli_eisamemprobeaddrs);
+#endif
/*
* Define the Stallion PCI vendor and device IDs.
*/
-#ifdef CONFIG_PCI
-#ifndef PCI_VENDOR_ID_STALLION
-#define PCI_VENDOR_ID_STALLION 0x124d
-#endif
#ifndef PCI_DEVICE_ID_ECRA
#define PCI_DEVICE_ID_ECRA 0x0004
#endif
};
MODULE_DEVICE_TABLE(pci, istallion_pci_tbl);
-#endif /* CONFIG_PCI */
+static struct pci_driver stli_pcidriver;
/*****************************************************************************/
#define MINOR2BRD(min) (((min) & 0xc0) >> 6)
#define MINOR2PORT(min) ((min) & 0x3f)
-/*
- * Define a baud rate table that converts termios baud rate selector
- * into the actual baud rate value. All baud rate calculations are based
- * on the actual baud rate required.
- */
-static unsigned int stli_baudrates[] = {
- 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
- 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600
-};
-
-/*****************************************************************************/
-
-/*
- * Define some handy local macros...
- */
-#undef MIN
-#define MIN(a,b) (((a) <= (b)) ? (a) : (b))
-
-#undef TOLOWER
-#define TOLOWER(x) ((((x) >= 'A') && ((x) <= 'Z')) ? ((x) + 0x20) : (x))
-
/*****************************************************************************/
/*
* Prototype all functions in this driver!
*/
-static int stli_parsebrd(stlconf_t *confp, char **argp);
-static int stli_init(void);
+static int stli_parsebrd(struct stlconf *confp, char **argp);
static int stli_open(struct tty_struct *tty, struct file *filp);
static void stli_close(struct tty_struct *tty, struct file *filp);
static int stli_write(struct tty_struct *tty, const unsigned char *buf, int count);
-static void stli_putchar(struct tty_struct *tty, unsigned char ch);
+static int stli_putchar(struct tty_struct *tty, unsigned char ch);
static void stli_flushchars(struct tty_struct *tty);
static int stli_writeroom(struct tty_struct *tty);
static int stli_charsinbuffer(struct tty_struct *tty);
static int stli_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg);
-static void stli_settermios(struct tty_struct *tty, struct termios *old);
+static void stli_settermios(struct tty_struct *tty, struct ktermios *old);
static void stli_throttle(struct tty_struct *tty);
static void stli_unthrottle(struct tty_struct *tty);
static void stli_stop(struct tty_struct *tty);
static void stli_start(struct tty_struct *tty);
static void stli_flushbuffer(struct tty_struct *tty);
-static void stli_breakctl(struct tty_struct *tty, int state);
+static int stli_breakctl(struct tty_struct *tty, int state);
static void stli_waituntilsent(struct tty_struct *tty, int timeout);
static void stli_sendxchar(struct tty_struct *tty, char ch);
static void stli_hangup(struct tty_struct *tty);
-static int stli_portinfo(stlibrd_t *brdp, stliport_t *portp, int portnr, char *pos);
-static int stli_brdinit(stlibrd_t *brdp);
-static int stli_startbrd(stlibrd_t *brdp);
+static int stli_brdinit(struct stlibrd *brdp);
+static int stli_startbrd(struct stlibrd *brdp);
static ssize_t stli_memread(struct file *fp, char __user *buf, size_t count, loff_t *offp);
static ssize_t stli_memwrite(struct file *fp, const char __user *buf, size_t count, loff_t *offp);
static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, unsigned long arg);
-static void stli_brdpoll(stlibrd_t *brdp, cdkhdr_t __iomem *hdrp);
+static void stli_brdpoll(struct stlibrd *brdp, cdkhdr_t __iomem *hdrp);
static void stli_poll(unsigned long arg);
-static int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp);
-static int stli_initopen(stlibrd_t *brdp, stliport_t *portp);
-static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait);
-static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait);
-static int stli_waitcarrier(stlibrd_t *brdp, stliport_t *portp, struct file *filp);
-static void stli_dohangup(void *arg);
-static int stli_setport(stliport_t *portp);
-static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback);
-static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback);
-static void __stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback);
-static void stli_dodelaycmd(stliport_t *portp, cdkctrl_t __iomem *cp);
-static void stli_mkasyport(stliport_t *portp, asyport_t *pp, struct termios *tiosp);
+static int stli_hostcmd(struct stlibrd *brdp, struct stliport *portp);
+static int stli_initopen(struct tty_struct *tty, struct stlibrd *brdp, struct stliport *portp);
+static int stli_rawopen(struct stlibrd *brdp, struct stliport *portp, unsigned long arg, int wait);
+static int stli_rawclose(struct stlibrd *brdp, struct stliport *portp, unsigned long arg, int wait);
+static int stli_setport(struct tty_struct *tty);
+static int stli_cmdwait(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback);
+static void stli_sendcmd(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback);
+static void __stli_sendcmd(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback);
+static void stli_dodelaycmd(struct stliport *portp, cdkctrl_t __iomem *cp);
+static void stli_mkasyport(struct tty_struct *tty, struct stliport *portp, asyport_t *pp, struct ktermios *tiosp);
static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts);
static long stli_mktiocm(unsigned long sigvalue);
-static void stli_read(stlibrd_t *brdp, stliport_t *portp);
-static int stli_getserial(stliport_t *portp, struct serial_struct __user *sp);
-static int stli_setserial(stliport_t *portp, struct serial_struct __user *sp);
+static void stli_read(struct stlibrd *brdp, struct stliport *portp);
+static int stli_getserial(struct stliport *portp, struct serial_struct __user *sp);
+static int stli_setserial(struct tty_struct *tty, struct serial_struct __user *sp);
static int stli_getbrdstats(combrd_t __user *bp);
-static int stli_getportstats(stliport_t *portp, comstats_t __user *cp);
-static int stli_portcmdstats(stliport_t *portp);
-static int stli_clrportstats(stliport_t *portp, comstats_t __user *cp);
-static int stli_getportstruct(stliport_t __user *arg);
-static int stli_getbrdstruct(stlibrd_t __user *arg);
-static stlibrd_t *stli_allocbrd(void);
-
-static void stli_ecpinit(stlibrd_t *brdp);
-static void stli_ecpenable(stlibrd_t *brdp);
-static void stli_ecpdisable(stlibrd_t *brdp);
-static char *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset, int line);
-static void stli_ecpreset(stlibrd_t *brdp);
-static void stli_ecpintr(stlibrd_t *brdp);
-static void stli_ecpeiinit(stlibrd_t *brdp);
-static void stli_ecpeienable(stlibrd_t *brdp);
-static void stli_ecpeidisable(stlibrd_t *brdp);
-static char *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset, int line);
-static void stli_ecpeireset(stlibrd_t *brdp);
-static void stli_ecpmcenable(stlibrd_t *brdp);
-static void stli_ecpmcdisable(stlibrd_t *brdp);
-static char *stli_ecpmcgetmemptr(stlibrd_t *brdp, unsigned long offset, int line);
-static void stli_ecpmcreset(stlibrd_t *brdp);
-static void stli_ecppciinit(stlibrd_t *brdp);
-static char *stli_ecppcigetmemptr(stlibrd_t *brdp, unsigned long offset, int line);
-static void stli_ecppcireset(stlibrd_t *brdp);
-
-static void stli_onbinit(stlibrd_t *brdp);
-static void stli_onbenable(stlibrd_t *brdp);
-static void stli_onbdisable(stlibrd_t *brdp);
-static char *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset, int line);
-static void stli_onbreset(stlibrd_t *brdp);
-static void stli_onbeinit(stlibrd_t *brdp);
-static void stli_onbeenable(stlibrd_t *brdp);
-static void stli_onbedisable(stlibrd_t *brdp);
-static char *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset, int line);
-static void stli_onbereset(stlibrd_t *brdp);
-static void stli_bbyinit(stlibrd_t *brdp);
-static char *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset, int line);
-static void stli_bbyreset(stlibrd_t *brdp);
-static void stli_stalinit(stlibrd_t *brdp);
-static char *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset, int line);
-static void stli_stalreset(stlibrd_t *brdp);
-
-static stliport_t *stli_getport(int brdnr, int panelnr, int portnr);
-
-static int stli_initecp(stlibrd_t *brdp);
-static int stli_initonb(stlibrd_t *brdp);
-static int stli_eisamemprobe(stlibrd_t *brdp);
-static int stli_initports(stlibrd_t *brdp);
-
-#ifdef CONFIG_PCI
-static int stli_initpcibrd(int brdtype, struct pci_dev *devp);
+static int stli_getportstats(struct tty_struct *tty, struct stliport *portp, comstats_t __user *cp);
+static int stli_portcmdstats(struct tty_struct *tty, struct stliport *portp);
+static int stli_clrportstats(struct stliport *portp, comstats_t __user *cp);
+static int stli_getportstruct(struct stliport __user *arg);
+static int stli_getbrdstruct(struct stlibrd __user *arg);
+static struct stlibrd *stli_allocbrd(void);
+
+static void stli_ecpinit(struct stlibrd *brdp);
+static void stli_ecpenable(struct stlibrd *brdp);
+static void stli_ecpdisable(struct stlibrd *brdp);
+static void __iomem *stli_ecpgetmemptr(struct stlibrd *brdp, unsigned long offset, int line);
+static void stli_ecpreset(struct stlibrd *brdp);
+static void stli_ecpintr(struct stlibrd *brdp);
+static void stli_ecpeiinit(struct stlibrd *brdp);
+static void stli_ecpeienable(struct stlibrd *brdp);
+static void stli_ecpeidisable(struct stlibrd *brdp);
+static void __iomem *stli_ecpeigetmemptr(struct stlibrd *brdp, unsigned long offset, int line);
+static void stli_ecpeireset(struct stlibrd *brdp);
+static void stli_ecpmcenable(struct stlibrd *brdp);
+static void stli_ecpmcdisable(struct stlibrd *brdp);
+static void __iomem *stli_ecpmcgetmemptr(struct stlibrd *brdp, unsigned long offset, int line);
+static void stli_ecpmcreset(struct stlibrd *brdp);
+static void stli_ecppciinit(struct stlibrd *brdp);
+static void __iomem *stli_ecppcigetmemptr(struct stlibrd *brdp, unsigned long offset, int line);
+static void stli_ecppcireset(struct stlibrd *brdp);
+
+static void stli_onbinit(struct stlibrd *brdp);
+static void stli_onbenable(struct stlibrd *brdp);
+static void stli_onbdisable(struct stlibrd *brdp);
+static void __iomem *stli_onbgetmemptr(struct stlibrd *brdp, unsigned long offset, int line);
+static void stli_onbreset(struct stlibrd *brdp);
+static void stli_onbeinit(struct stlibrd *brdp);
+static void stli_onbeenable(struct stlibrd *brdp);
+static void stli_onbedisable(struct stlibrd *brdp);
+static void __iomem *stli_onbegetmemptr(struct stlibrd *brdp, unsigned long offset, int line);
+static void stli_onbereset(struct stlibrd *brdp);
+static void stli_bbyinit(struct stlibrd *brdp);
+static void __iomem *stli_bbygetmemptr(struct stlibrd *brdp, unsigned long offset, int line);
+static void stli_bbyreset(struct stlibrd *brdp);
+static void stli_stalinit(struct stlibrd *brdp);
+static void __iomem *stli_stalgetmemptr(struct stlibrd *brdp, unsigned long offset, int line);
+static void stli_stalreset(struct stlibrd *brdp);
+
+static struct stliport *stli_getport(unsigned int brdnr, unsigned int panelnr, unsigned int portnr);
+
+static int stli_initecp(struct stlibrd *brdp);
+static int stli_initonb(struct stlibrd *brdp);
+#if STLI_EISAPROBE != 0
+static int stli_eisamemprobe(struct stlibrd *brdp);
#endif
+static int stli_initports(struct stlibrd *brdp);
/*****************************************************************************/
static struct class *istallion_class;
-/*
- * Loadable module initialization stuff.
- */
-
-static int __init istallion_module_init(void)
-{
- stli_init();
- return 0;
-}
-
-/*****************************************************************************/
-
-static void __exit istallion_module_exit(void)
+static void stli_cleanup_ports(struct stlibrd *brdp)
{
- stlibrd_t *brdp;
- stliport_t *portp;
- int i, j;
-
- printk(KERN_INFO "Unloading %s: version %s\n", stli_drvtitle,
- stli_drvversion);
-
- /*
- * Free up all allocated resources used by the ports. This includes
- * memory and interrupts.
- */
- if (stli_timeron) {
- stli_timeron = 0;
- del_timer_sync(&stli_timerlist);
- }
-
- i = tty_unregister_driver(stli_serial);
- if (i) {
- printk("STALLION: failed to un-register tty driver, "
- "errno=%d\n", -i);
- return;
- }
- put_tty_driver(stli_serial);
- for (i = 0; i < 4; i++)
- class_device_destroy(istallion_class, MKDEV(STL_SIOMEMMAJOR, i));
- class_destroy(istallion_class);
- if ((i = unregister_chrdev(STL_SIOMEMMAJOR, "staliomem")))
- printk("STALLION: failed to un-register serial memory device, "
- "errno=%d\n", -i);
-
- kfree(stli_txcookbuf);
+ struct stliport *portp;
+ unsigned int j;
+ struct tty_struct *tty;
- for (i = 0; (i < stli_nrbrds); i++) {
- if ((brdp = stli_brds[i]) == NULL)
- continue;
- for (j = 0; (j < STL_MAXPORTS); j++) {
- portp = brdp->ports[j];
- if (portp != NULL) {
- if (portp->tty != NULL)
- tty_hangup(portp->tty);
- kfree(portp);
+ for (j = 0; j < STL_MAXPORTS; j++) {
+ portp = brdp->ports[j];
+ if (portp != NULL) {
+ tty = tty_port_tty_get(&portp->port);
+ if (tty != NULL) {
+ tty_hangup(tty);
+ tty_kref_put(tty);
}
+ kfree(portp);
}
-
- iounmap(brdp->membase);
- if (brdp->iosize > 0)
- release_region(brdp->iobase, brdp->iosize);
- kfree(brdp);
- stli_brds[i] = NULL;
}
}
-module_init(istallion_module_init);
-module_exit(istallion_module_exit);
-
-/*****************************************************************************/
-
-/*
- * Check for any arguments passed in on the module load command line.
- */
-
-static void stli_argbrds(void)
-{
- stlconf_t conf;
- stlibrd_t *brdp;
- int i;
-
- for (i = stli_nrbrds; i < ARRAY_SIZE(stli_brdsp); i++) {
- memset(&conf, 0, sizeof(conf));
- if (stli_parsebrd(&conf, stli_brdsp[i]) == 0)
- continue;
- if ((brdp = stli_allocbrd()) == NULL)
- continue;
- stli_nrbrds = i + 1;
- brdp->brdnr = i;
- brdp->brdtype = conf.brdtype;
- brdp->iobase = conf.ioaddr1;
- brdp->memaddr = conf.memaddr;
- stli_brdinit(brdp);
- }
-}
-
-/*****************************************************************************/
-
-/*
- * Convert an ascii string number into an unsigned long.
- */
-
-static unsigned long stli_atol(char *str)
-{
- unsigned long val;
- int base, c;
- char *sp;
-
- val = 0;
- sp = str;
- if ((*sp == '0') && (*(sp+1) == 'x')) {
- base = 16;
- sp += 2;
- } else if (*sp == '0') {
- base = 8;
- sp++;
- } else {
- base = 10;
- }
-
- for (; (*sp != 0); sp++) {
- c = (*sp > '9') ? (TOLOWER(*sp) - 'a' + 10) : (*sp - '0');
- if ((c < 0) || (c >= base)) {
- printk("STALLION: invalid argument %s\n", str);
- val = 0;
- break;
- }
- val = (val * base) + c;
- }
- return(val);
-}
-
/*****************************************************************************/
/*
* Parse the supplied argument string, into the board conf struct.
*/
-static int stli_parsebrd(stlconf_t *confp, char **argp)
+static int stli_parsebrd(struct stlconf *confp, char **argp)
{
+ unsigned int i;
char *sp;
- int i;
if (argp[0] == NULL || *argp[0] == 0)
return 0;
for (sp = argp[0], i = 0; ((*sp != 0) && (i < 25)); sp++, i++)
- *sp = TOLOWER(*sp);
+ *sp = tolower(*sp);
for (i = 0; i < ARRAY_SIZE(stli_brdstr); i++) {
if (strcmp(stli_brdstr[i].name, argp[0]) == 0)
break;
}
if (i == ARRAY_SIZE(stli_brdstr)) {
- printk("STALLION: unknown board name, %s?\n", argp[0]);
+ printk(KERN_WARNING "istallion: unknown board name, %s?\n", argp[0]);
return 0;
}
confp->brdtype = stli_brdstr[i].type;
if (argp[1] != NULL && *argp[1] != 0)
- confp->ioaddr1 = stli_atol(argp[1]);
+ confp->ioaddr1 = simple_strtoul(argp[1], NULL, 0);
if (argp[2] != NULL && *argp[2] != 0)
- confp->memaddr = stli_atol(argp[2]);
+ confp->memaddr = simple_strtoul(argp[2], NULL, 0);
return(1);
}
static int stli_open(struct tty_struct *tty, struct file *filp)
{
- stlibrd_t *brdp;
- stliport_t *portp;
- unsigned int minordev;
- int brdnr, portnr, rc;
+ struct stlibrd *brdp;
+ struct stliport *portp;
+ struct tty_port *port;
+ unsigned int minordev, brdnr, portnr;
+ int rc;
minordev = tty->index;
brdnr = MINOR2BRD(minordev);
if ((brdp->state & BST_STARTED) == 0)
return -ENODEV;
portnr = MINOR2PORT(minordev);
- if ((portnr < 0) || (portnr > brdp->nrports))
+ if (portnr > brdp->nrports)
return -ENODEV;
portp = brdp->ports[portnr];
return -ENODEV;
if (portp->devnr < 1)
return -ENODEV;
-
-
-/*
- * Check if this port is in the middle of closing. If so then wait
- * until it is closed then return error status based on flag settings.
- * The sleep here does not need interrupt protection since the wakeup
- * for it is done with the same context.
- */
- if (portp->flags & ASYNC_CLOSING) {
- interruptible_sleep_on(&portp->close_wait);
- if (portp->flags & ASYNC_HUP_NOTIFY)
- return -EAGAIN;
- return -ERESTARTSYS;
- }
+ port = &portp->port;
/*
* On the first open of the device setup the port hardware, and
* initialize the per port data structure. Since initializing the port
* requires several commands to the board we will need to wait for any
* other open that is already initializing the port.
+ *
+ * Review - locking
*/
- portp->tty = tty;
+ tty_port_tty_set(port, tty);
tty->driver_data = portp;
- portp->refcount++;
+ port->count++;
wait_event_interruptible(portp->raw_wait,
!test_bit(ST_INITIALIZING, &portp->state));
if (signal_pending(current))
return -ERESTARTSYS;
- if ((portp->flags & ASYNC_INITIALIZED) == 0) {
+ if ((portp->port.flags & ASYNC_INITIALIZED) == 0) {
set_bit(ST_INITIALIZING, &portp->state);
- if ((rc = stli_initopen(brdp, portp)) >= 0) {
- portp->flags |= ASYNC_INITIALIZED;
+ if ((rc = stli_initopen(tty, brdp, portp)) >= 0) {
+ /* Locking */
+ port->flags |= ASYNC_INITIALIZED;
clear_bit(TTY_IO_ERROR, &tty->flags);
}
clear_bit(ST_INITIALIZING, &portp->state);
if (rc < 0)
return rc;
}
-
-/*
- * Check if this port is in the middle of closing. If so then wait
- * until it is closed then return error status, based on flag settings.
- * The sleep here does not need interrupt protection since the wakeup
- * for it is done with the same context.
- */
- if (portp->flags & ASYNC_CLOSING) {
- interruptible_sleep_on(&portp->close_wait);
- if (portp->flags & ASYNC_HUP_NOTIFY)
- return -EAGAIN;
- return -ERESTARTSYS;
- }
-
-/*
- * Based on type of open being done check if it can overlap with any
- * previous opens still in effect. If we are a normal serial device
- * then also we might have to wait for carrier.
- */
- if (!(filp->f_flags & O_NONBLOCK)) {
- if ((rc = stli_waitcarrier(brdp, portp, filp)) != 0)
- return rc;
- }
- portp->flags |= ASYNC_NORMAL_ACTIVE;
- return 0;
+ return tty_port_block_til_ready(&portp->port, tty, filp);
}
/*****************************************************************************/
static void stli_close(struct tty_struct *tty, struct file *filp)
{
- stlibrd_t *brdp;
- stliport_t *portp;
+ struct stlibrd *brdp;
+ struct stliport *portp;
+ struct tty_port *port;
unsigned long flags;
portp = tty->driver_data;
if (portp == NULL)
return;
+ port = &portp->port;
- spin_lock_irqsave(&stli_lock, flags);
- if (tty_hung_up_p(filp)) {
- spin_unlock_irqrestore(&stli_lock, flags);
- return;
- }
- if ((tty->count == 1) && (portp->refcount != 1))
- portp->refcount = 1;
- if (portp->refcount-- > 1) {
- spin_unlock_irqrestore(&stli_lock, flags);
+ if (tty_port_close_start(port, tty, filp) == 0)
return;
- }
-
- portp->flags |= ASYNC_CLOSING;
/*
* May want to wait for data to drain before closing. The BUSY flag
* updated by messages from the slave - indicating when all chars
* really have drained.
*/
+ spin_lock_irqsave(&stli_lock, flags);
if (tty == stli_txcooktty)
stli_flushchars(tty);
- tty->closing = 1;
spin_unlock_irqrestore(&stli_lock, flags);
+ /* We end up doing this twice for the moment. This needs looking at
+ eventually. Note we still use portp->closing_wait as a result */
if (portp->closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, portp->closing_wait);
- portp->flags &= ~ASYNC_INITIALIZED;
+ /* FIXME: port locking here needs attending to */
+ port->flags &= ~ASYNC_INITIALIZED;
+
brdp = stli_brds[portp->brdnr];
stli_rawclose(brdp, portp, 0, 0);
if (tty->termios->c_cflag & HUPCL) {
clear_bit(ST_TXBUSY, &portp->state);
clear_bit(ST_RXSTOP, &portp->state);
set_bit(TTY_IO_ERROR, &tty->flags);
- if (tty->ldisc.flush_buffer)
- (tty->ldisc.flush_buffer)(tty);
+ tty_ldisc_flush(tty);
set_bit(ST_DOFLUSHRX, &portp->state);
stli_flushbuffer(tty);
- tty->closing = 0;
- portp->tty = NULL;
-
- if (portp->openwaitcnt) {
- if (portp->close_delay)
- msleep_interruptible(jiffies_to_msecs(portp->close_delay));
- wake_up_interruptible(&portp->open_wait);
- }
-
- portp->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
- wake_up_interruptible(&portp->close_wait);
+ tty_port_close_end(port, tty);
+ tty_port_tty_set(port, NULL);
}
/*****************************************************************************/
* this still all happens pretty quickly.
*/
-static int stli_initopen(stlibrd_t *brdp, stliport_t *portp)
+static int stli_initopen(struct tty_struct *tty,
+ struct stlibrd *brdp, struct stliport *portp)
{
- struct tty_struct *tty;
asynotify_t nt;
asyport_t aport;
int rc;
sizeof(asynotify_t), 0)) < 0)
return rc;
- tty = portp->tty;
- if (tty == NULL)
- return -ENODEV;
- stli_mkasyport(portp, &aport, tty->termios);
+ stli_mkasyport(tty, portp, &aport, tty->termios);
if ((rc = stli_cmdwait(brdp, portp, A_SETPORT, &aport,
sizeof(asyport_t), 0)) < 0)
return rc;
* to overlap.
*/
-static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait)
+static int stli_rawopen(struct stlibrd *brdp, struct stliport *portp, unsigned long arg, int wait)
{
cdkhdr_t __iomem *hdrp;
cdkctrl_t __iomem *cp;
* wait is true then must have user context (to sleep).
*/
-static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait)
+static int stli_rawclose(struct stlibrd *brdp, struct stliport *portp, unsigned long arg, int wait)
{
cdkhdr_t __iomem *hdrp;
cdkctrl_t __iomem *cp;
* to complete (as opposed to initiating the command then returning).
*/
-static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
+static int stli_cmdwait(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback)
{
wait_event_interruptible(portp->raw_wait,
!test_bit(ST_CMDING, &portp->state));
* waiting for the command to complete - so must have user context.
*/
-static int stli_setport(stliport_t *portp)
+static int stli_setport(struct tty_struct *tty)
{
- stlibrd_t *brdp;
+ struct stliport *portp = tty->driver_data;
+ struct stlibrd *brdp;
asyport_t aport;
if (portp == NULL)
return -ENODEV;
- if (portp->tty == NULL)
- return -ENODEV;
- if (portp->brdnr < 0 && portp->brdnr >= stli_nrbrds)
+ if (portp->brdnr >= stli_nrbrds)
return -ENODEV;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
return -ENODEV;
- stli_mkasyport(portp, &aport, portp->tty->termios);
+ stli_mkasyport(tty, portp, &aport, tty->termios);
return(stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0));
}
/*****************************************************************************/
-/*
- * Possibly need to wait for carrier (DCD signal) to come high. Say
- * maybe because if we are clocal then we don't need to wait...
- */
-
-static int stli_waitcarrier(stlibrd_t *brdp, stliport_t *portp, struct file *filp)
+static int stli_carrier_raised(struct tty_port *port)
{
- unsigned long flags;
- int rc, doclocal;
-
- rc = 0;
- doclocal = 0;
-
- if (portp->tty->termios->c_cflag & CLOCAL)
- doclocal++;
-
- spin_lock_irqsave(&stli_lock, flags);
- portp->openwaitcnt++;
- if (! tty_hung_up_p(filp))
- portp->refcount--;
- spin_unlock_irqrestore(&stli_lock, flags);
-
- for (;;) {
- stli_mkasysigs(&portp->asig, 1, 1);
- if ((rc = stli_cmdwait(brdp, portp, A_SETSIGNALS,
- &portp->asig, sizeof(asysigs_t), 0)) < 0)
- break;
- if (tty_hung_up_p(filp) ||
- ((portp->flags & ASYNC_INITIALIZED) == 0)) {
- if (portp->flags & ASYNC_HUP_NOTIFY)
- rc = -EBUSY;
- else
- rc = -ERESTARTSYS;
- break;
- }
- if (((portp->flags & ASYNC_CLOSING) == 0) &&
- (doclocal || (portp->sigs & TIOCM_CD))) {
- break;
- }
- if (signal_pending(current)) {
- rc = -ERESTARTSYS;
- break;
- }
- interruptible_sleep_on(&portp->open_wait);
- }
-
- spin_lock_irqsave(&stli_lock, flags);
- if (! tty_hung_up_p(filp))
- portp->refcount++;
- portp->openwaitcnt--;
- spin_unlock_irqrestore(&stli_lock, flags);
+ struct stliport *portp = container_of(port, struct stliport, port);
+ return (portp->sigs & TIOCM_CD) ? 1 : 0;
+}
- return rc;
+static void stli_dtr_rts(struct tty_port *port, int on)
+{
+ struct stliport *portp = container_of(port, struct stliport, port);
+ struct stlibrd *brdp = stli_brds[portp->brdnr];
+ stli_mkasysigs(&portp->asig, on, on);
+ if (stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
+ sizeof(asysigs_t), 0) < 0)
+ printk(KERN_WARNING "istallion: dtr set failed.\n");
}
+
/*****************************************************************************/
/*
unsigned char __iomem *bits;
unsigned char __iomem *shbuf;
unsigned char *chbuf;
- stliport_t *portp;
- stlibrd_t *brdp;
+ struct stliport *portp;
+ struct stlibrd *brdp;
unsigned int len, stlen, head, tail, size;
unsigned long flags;
portp = tty->driver_data;
if (portp == NULL)
return 0;
- if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
+ if (portp->brdnr >= stli_nrbrds)
return 0;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
stlen = len;
}
- len = MIN(len, count);
+ len = min(len, (unsigned int)count);
count = 0;
shbuf = (char __iomem *) EBRDGETMEMPTR(brdp, portp->txoffset);
while (len > 0) {
- stlen = MIN(len, stlen);
+ stlen = min(len, stlen);
memcpy_toio(shbuf + head, chbuf, stlen);
chbuf += stlen;
len -= stlen;
* first them do the new ports.
*/
-static void stli_putchar(struct tty_struct *tty, unsigned char ch)
+static int stli_putchar(struct tty_struct *tty, unsigned char ch)
{
if (tty != stli_txcooktty) {
if (stli_txcooktty != NULL)
}
stli_txcookbuf[stli_txcooksize++] = ch;
+ return 0;
}
/*****************************************************************************/
unsigned char __iomem *bits;
cdkasy_t __iomem *ap;
struct tty_struct *cooktty;
- stliport_t *portp;
- stlibrd_t *brdp;
+ struct stliport *portp;
+ struct stlibrd *brdp;
unsigned int len, stlen, head, tail, size, count, cooksize;
unsigned char *buf;
unsigned char __iomem *shbuf;
stli_txcookrealsize = 0;
stli_txcooktty = NULL;
- if (tty == NULL)
- return;
if (cooktty == NULL)
return;
if (tty != cooktty)
portp = tty->driver_data;
if (portp == NULL)
return;
- if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
+ if (portp->brdnr >= stli_nrbrds)
return;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
stlen = len;
}
- len = MIN(len, cooksize);
+ len = min(len, cooksize);
count = 0;
- shbuf = (char *) EBRDGETMEMPTR(brdp, portp->txoffset);
+ shbuf = EBRDGETMEMPTR(brdp, portp->txoffset);
buf = stli_txcookbuf;
while (len > 0) {
- stlen = MIN(len, stlen);
+ stlen = min(len, stlen);
memcpy_toio(shbuf + head, buf, stlen);
buf += stlen;
len -= stlen;
static int stli_writeroom(struct tty_struct *tty)
{
cdkasyrq_t __iomem *rp;
- stliport_t *portp;
- stlibrd_t *brdp;
+ struct stliport *portp;
+ struct stlibrd *brdp;
unsigned int head, tail, len;
unsigned long flags;
portp = tty->driver_data;
if (portp == NULL)
return 0;
- if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
+ if (portp->brdnr >= stli_nrbrds)
return 0;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
static int stli_charsinbuffer(struct tty_struct *tty)
{
cdkasyrq_t __iomem *rp;
- stliport_t *portp;
- stlibrd_t *brdp;
+ struct stliport *portp;
+ struct stlibrd *brdp;
unsigned int head, tail, len;
unsigned long flags;
portp = tty->driver_data;
if (portp == NULL)
return 0;
- if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds))
+ if (portp->brdnr >= stli_nrbrds)
return 0;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
* Generate the serial struct info.
*/
-static int stli_getserial(stliport_t *portp, struct serial_struct __user *sp)
+static int stli_getserial(struct stliport *portp, struct serial_struct __user *sp)
{
struct serial_struct sio;
- stlibrd_t *brdp;
+ struct stlibrd *brdp;
memset(&sio, 0, sizeof(struct serial_struct));
sio.type = PORT_UNKNOWN;
sio.line = portp->portnr;
sio.irq = 0;
- sio.flags = portp->flags;
+ sio.flags = portp->port.flags;
sio.baud_base = portp->baud_base;
- sio.close_delay = portp->close_delay;
+ sio.close_delay = portp->port.close_delay;
sio.closing_wait = portp->closing_wait;
sio.custom_divisor = portp->custom_divisor;
sio.xmit_fifo_size = 0;
* just quietly ignore any requests to change irq, etc.
*/
-static int stli_setserial(stliport_t *portp, struct serial_struct __user *sp)
+static int stli_setserial(struct tty_struct *tty, struct serial_struct __user *sp)
{
struct serial_struct sio;
int rc;
+ struct stliport *portp = tty->driver_data;
if (copy_from_user(&sio, sp, sizeof(struct serial_struct)))
return -EFAULT;
if (!capable(CAP_SYS_ADMIN)) {
if ((sio.baud_base != portp->baud_base) ||
- (sio.close_delay != portp->close_delay) ||
+ (sio.close_delay != portp->port.close_delay) ||
((sio.flags & ~ASYNC_USR_MASK) !=
- (portp->flags & ~ASYNC_USR_MASK)))
+ (portp->port.flags & ~ASYNC_USR_MASK)))
return -EPERM;
}
- portp->flags = (portp->flags & ~ASYNC_USR_MASK) |
+ portp->port.flags = (portp->port.flags & ~ASYNC_USR_MASK) |
(sio.flags & ASYNC_USR_MASK);
portp->baud_base = sio.baud_base;
- portp->close_delay = sio.close_delay;
+ portp->port.close_delay = sio.close_delay;
portp->closing_wait = sio.closing_wait;
portp->custom_divisor = sio.custom_divisor;
- if ((rc = stli_setport(portp)) < 0)
+ if ((rc = stli_setport(tty)) < 0)
return rc;
return 0;
}
static int stli_tiocmget(struct tty_struct *tty, struct file *file)
{
- stliport_t *portp = tty->driver_data;
- stlibrd_t *brdp;
+ struct stliport *portp = tty->driver_data;
+ struct stlibrd *brdp;
int rc;
if (portp == NULL)
return -ENODEV;
- if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
+ if (portp->brdnr >= stli_nrbrds)
return 0;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
static int stli_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear)
{
- stliport_t *portp = tty->driver_data;
- stlibrd_t *brdp;
+ struct stliport *portp = tty->driver_data;
+ struct stlibrd *brdp;
int rts = -1, dtr = -1;
if (portp == NULL)
return -ENODEV;
- if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
+ if (portp->brdnr >= stli_nrbrds)
return 0;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
static int stli_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg)
{
- stliport_t *portp;
- stlibrd_t *brdp;
- unsigned int ival;
+ struct stliport *portp;
+ struct stlibrd *brdp;
int rc;
void __user *argp = (void __user *)arg;
portp = tty->driver_data;
if (portp == NULL)
return -ENODEV;
- if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
+ if (portp->brdnr >= stli_nrbrds)
return 0;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
rc = 0;
switch (cmd) {
- case TIOCGSOFTCAR:
- rc = put_user(((tty->termios->c_cflag & CLOCAL) ? 1 : 0),
- (unsigned __user *) arg);
- break;
- case TIOCSSOFTCAR:
- if ((rc = get_user(ival, (unsigned __user *) arg)) == 0)
- tty->termios->c_cflag =
- (tty->termios->c_cflag & ~CLOCAL) |
- (ival ? CLOCAL : 0);
- break;
case TIOCGSERIAL:
rc = stli_getserial(portp, argp);
break;
case TIOCSSERIAL:
- rc = stli_setserial(portp, argp);
+ rc = stli_setserial(tty, argp);
break;
case STL_GETPFLAG:
rc = put_user(portp->pflag, (unsigned __user *)argp);
break;
case STL_SETPFLAG:
if ((rc = get_user(portp->pflag, (unsigned __user *)argp)) == 0)
- stli_setport(portp);
+ stli_setport(tty);
break;
case COM_GETPORTSTATS:
- rc = stli_getportstats(portp, argp);
+ rc = stli_getportstats(tty, portp, argp);
break;
case COM_CLRPORTSTATS:
rc = stli_clrportstats(portp, argp);
* Looks like it is true for the current ttys implementation..!!
*/
-static void stli_settermios(struct tty_struct *tty, struct termios *old)
+static void stli_settermios(struct tty_struct *tty, struct ktermios *old)
{
- stliport_t *portp;
- stlibrd_t *brdp;
- struct termios *tiosp;
+ struct stliport *portp;
+ struct stlibrd *brdp;
+ struct ktermios *tiosp;
asyport_t aport;
- if (tty == NULL)
- return;
portp = tty->driver_data;
if (portp == NULL)
return;
- if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
+ if (portp->brdnr >= stli_nrbrds)
return;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
return;
tiosp = tty->termios;
- if ((tiosp->c_cflag == old->c_cflag) &&
- (tiosp->c_iflag == old->c_iflag))
- return;
- stli_mkasyport(portp, &aport, tiosp);
+ stli_mkasyport(tty, portp, &aport, tiosp);
stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0);
stli_mkasysigs(&portp->asig, ((tiosp->c_cflag & CBAUD) ? 1 : 0), -1);
stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
if ((old->c_cflag & CRTSCTS) && ((tiosp->c_cflag & CRTSCTS) == 0))
tty->hw_stopped = 0;
if (((old->c_cflag & CLOCAL) == 0) && (tiosp->c_cflag & CLOCAL))
- wake_up_interruptible(&portp->open_wait);
+ wake_up_interruptible(&portp->port.open_wait);
}
/*****************************************************************************/
static void stli_throttle(struct tty_struct *tty)
{
- stliport_t *portp = tty->driver_data;
+ struct stliport *portp = tty->driver_data;
if (portp == NULL)
return;
set_bit(ST_RXSTOP, &portp->state);
static void stli_unthrottle(struct tty_struct *tty)
{
- stliport_t *portp = tty->driver_data;
+ struct stliport *portp = tty->driver_data;
if (portp == NULL)
return;
clear_bit(ST_RXSTOP, &portp->state);
/*****************************************************************************/
/*
- * Scheduler called hang up routine. This is called from the scheduler,
- * not direct from the driver "poll" routine. We can't call it there
- * since the real local hangup code will enable/disable the board and
- * other things that we can't do while handling the poll. Much easier
- * to deal with it some time later (don't really care when, hangups
- * aren't that time critical).
- */
-
-static void stli_dohangup(void *arg)
-{
- stliport_t *portp = (stliport_t *) arg;
- if (portp->tty != NULL) {
- tty_hangup(portp->tty);
- }
-}
-
-/*****************************************************************************/
-
-/*
* Hangup this port. This is pretty much like closing the port, only
* a little more brutal. No waiting for data to drain. Shutdown the
* port and maybe drop signals. This is rather tricky really. We want
static void stli_hangup(struct tty_struct *tty)
{
- stliport_t *portp;
- stlibrd_t *brdp;
+ struct stliport *portp;
+ struct stlibrd *brdp;
+ struct tty_port *port;
unsigned long flags;
portp = tty->driver_data;
if (portp == NULL)
return;
- if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
+ if (portp->brdnr >= stli_nrbrds)
return;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
return;
+ port = &portp->port;
- portp->flags &= ~ASYNC_INITIALIZED;
+ spin_lock_irqsave(&port->lock, flags);
+ port->flags &= ~ASYNC_INITIALIZED;
+ spin_unlock_irqrestore(&port->lock, flags);
if (!test_bit(ST_CLOSING, &portp->state))
stli_rawclose(brdp, portp, 0, 0);
clear_bit(ST_TXBUSY, &portp->state);
clear_bit(ST_RXSTOP, &portp->state);
set_bit(TTY_IO_ERROR, &tty->flags);
- portp->tty = NULL;
- portp->flags &= ~ASYNC_NORMAL_ACTIVE;
- portp->refcount = 0;
spin_unlock_irqrestore(&stli_lock, flags);
- wake_up_interruptible(&portp->open_wait);
+ tty_port_hangup(port);
}
/*****************************************************************************/
static void stli_flushbuffer(struct tty_struct *tty)
{
- stliport_t *portp;
- stlibrd_t *brdp;
+ struct stliport *portp;
+ struct stlibrd *brdp;
unsigned long ftype, flags;
portp = tty->driver_data;
if (portp == NULL)
return;
- if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
+ if (portp->brdnr >= stli_nrbrds)
return;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
/*****************************************************************************/
-static void stli_breakctl(struct tty_struct *tty, int state)
+static int stli_breakctl(struct tty_struct *tty, int state)
{
- stlibrd_t *brdp;
- stliport_t *portp;
+ struct stlibrd *brdp;
+ struct stliport *portp;
long arg;
portp = tty->driver_data;
if (portp == NULL)
- return;
- if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
- return;
+ return -EINVAL;
+ if (portp->brdnr >= stli_nrbrds)
+ return -EINVAL;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
- return;
+ return -EINVAL;
arg = (state == -1) ? BREAKON : BREAKOFF;
stli_cmdwait(brdp, portp, A_BREAK, &arg, sizeof(long), 0);
+ return 0;
}
/*****************************************************************************/
static void stli_waituntilsent(struct tty_struct *tty, int timeout)
{
- stliport_t *portp;
+ struct stliport *portp;
unsigned long tend;
- if (tty == NULL)
- return;
portp = tty->driver_data;
if (portp == NULL)
return;
static void stli_sendxchar(struct tty_struct *tty, char ch)
{
- stlibrd_t *brdp;
- stliport_t *portp;
+ struct stlibrd *brdp;
+ struct stliport *portp;
asyctrl_t actrl;
portp = tty->driver_data;
if (portp == NULL)
return;
- if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds)
+ if (portp->brdnr >= stli_nrbrds)
return;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
stli_cmdwait(brdp, portp, A_PORTCTRL, &actrl, sizeof(asyctrl_t), 0);
}
-/*****************************************************************************/
-
-#define MAXLINE 80
-
-/*
- * Format info for a specified port. The line is deliberately limited
- * to 80 characters. (If it is too long it will be truncated, if too
- * short then padded with spaces).
- */
-
-static int stli_portinfo(stlibrd_t *brdp, stliport_t *portp, int portnr, char *pos)
+static void stli_portinfo(struct seq_file *m, struct stlibrd *brdp, struct stliport *portp, int portnr)
{
- char *sp, *uart;
- int rc, cnt;
+ char *uart;
+ int rc;
- rc = stli_portcmdstats(portp);
+ rc = stli_portcmdstats(NULL, portp);
uart = "UNKNOWN";
if (brdp->state & BST_STARTED) {
default:uart = "CD1400"; break;
}
}
-
- sp = pos;
- sp += sprintf(sp, "%d: uart:%s ", portnr, uart);
+ seq_printf(m, "%d: uart:%s ", portnr, uart);
if ((brdp->state & BST_STARTED) && (rc >= 0)) {
- sp += sprintf(sp, "tx:%d rx:%d", (int) stli_comstats.txtotal,
+ char sep;
+
+ seq_printf(m, "tx:%d rx:%d", (int) stli_comstats.txtotal,
(int) stli_comstats.rxtotal);
if (stli_comstats.rxframing)
- sp += sprintf(sp, " fe:%d",
+ seq_printf(m, " fe:%d",
(int) stli_comstats.rxframing);
if (stli_comstats.rxparity)
- sp += sprintf(sp, " pe:%d",
+ seq_printf(m, " pe:%d",
(int) stli_comstats.rxparity);
if (stli_comstats.rxbreaks)
- sp += sprintf(sp, " brk:%d",
+ seq_printf(m, " brk:%d",
(int) stli_comstats.rxbreaks);
if (stli_comstats.rxoverrun)
- sp += sprintf(sp, " oe:%d",
+ seq_printf(m, " oe:%d",
(int) stli_comstats.rxoverrun);
- cnt = sprintf(sp, "%s%s%s%s%s ",
- (stli_comstats.signals & TIOCM_RTS) ? "|RTS" : "",
- (stli_comstats.signals & TIOCM_CTS) ? "|CTS" : "",
- (stli_comstats.signals & TIOCM_DTR) ? "|DTR" : "",
- (stli_comstats.signals & TIOCM_CD) ? "|DCD" : "",
- (stli_comstats.signals & TIOCM_DSR) ? "|DSR" : "");
- *sp = ' ';
- sp += cnt;
+ sep = ' ';
+ if (stli_comstats.signals & TIOCM_RTS) {
+ seq_printf(m, "%c%s", sep, "RTS");
+ sep = '|';
+ }
+ if (stli_comstats.signals & TIOCM_CTS) {
+ seq_printf(m, "%c%s", sep, "CTS");
+ sep = '|';
+ }
+ if (stli_comstats.signals & TIOCM_DTR) {
+ seq_printf(m, "%c%s", sep, "DTR");
+ sep = '|';
+ }
+ if (stli_comstats.signals & TIOCM_CD) {
+ seq_printf(m, "%c%s", sep, "DCD");
+ sep = '|';
+ }
+ if (stli_comstats.signals & TIOCM_DSR) {
+ seq_printf(m, "%c%s", sep, "DSR");
+ sep = '|';
+ }
}
-
- for (cnt = (sp - pos); (cnt < (MAXLINE - 1)); cnt++)
- *sp++ = ' ';
- if (cnt >= MAXLINE)
- pos[(MAXLINE - 2)] = '+';
- pos[(MAXLINE - 1)] = '\n';
-
- return(MAXLINE);
+ seq_putc(m, '\n');
}
/*****************************************************************************/
* Port info, read from the /proc file system.
*/
-static int stli_readproc(char *page, char **start, off_t off, int count, int *eof, void *data)
+static int stli_proc_show(struct seq_file *m, void *v)
{
- stlibrd_t *brdp;
- stliport_t *portp;
- int brdnr, portnr, totalport;
- int curoff, maxoff;
- char *pos;
+ struct stlibrd *brdp;
+ struct stliport *portp;
+ unsigned int brdnr, portnr, totalport;
- pos = page;
totalport = 0;
- curoff = 0;
-
- if (off == 0) {
- pos += sprintf(pos, "%s: version %s", stli_drvtitle,
- stli_drvversion);
- while (pos < (page + MAXLINE - 1))
- *pos++ = ' ';
- *pos++ = '\n';
- }
- curoff = MAXLINE;
+
+ seq_printf(m, "%s: version %s\n", stli_drvtitle, stli_drvversion);
/*
* We scan through for each board, panel and port. The offset is
if (brdp->state == 0)
continue;
- maxoff = curoff + (brdp->nrports * MAXLINE);
- if (off >= maxoff) {
- curoff = maxoff;
- continue;
- }
-
totalport = brdnr * STL_MAXPORTS;
for (portnr = 0; (portnr < brdp->nrports); portnr++,
totalport++) {
portp = brdp->ports[portnr];
if (portp == NULL)
continue;
- if (off >= (curoff += MAXLINE))
- continue;
- if ((pos - page + MAXLINE) > count)
- goto stli_readdone;
- pos += stli_portinfo(brdp, portp, totalport, pos);
+ stli_portinfo(m, brdp, portp, totalport);
}
}
+ return 0;
+}
- *eof = 1;
-
-stli_readdone:
- *start = page;
- return(pos - page);
+static int stli_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, stli_proc_show, NULL);
}
+static const struct file_operations stli_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = stli_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
/*****************************************************************************/
/*
* entry point)
*/
-static void __stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
+static void __stli_sendcmd(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback)
{
cdkhdr_t __iomem *hdrp;
cdkctrl_t __iomem *cp;
unsigned char __iomem *bits;
- unsigned long flags;
-
- spin_lock_irqsave(&brd_lock, flags);
if (test_bit(ST_CMDING, &portp->state)) {
- printk(KERN_ERR "STALLION: command already busy, cmd=%x!\n",
+ printk(KERN_ERR "istallion: command already busy, cmd=%x!\n",
(int) cmd);
- spin_unlock_irqrestore(&brd_lock, flags);
return;
}
writeb(readb(bits) | portp->portbit, bits);
set_bit(ST_CMDING, &portp->state);
EBRDDISABLE(brdp);
- spin_unlock_irqrestore(&brd_lock, flags);
}
-static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback)
+static void stli_sendcmd(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback)
{
unsigned long flags;
* more chars to unload.
*/
-static void stli_read(stlibrd_t *brdp, stliport_t *portp)
+static void stli_read(struct stlibrd *brdp, struct stliport *portp)
{
cdkasyrq_t __iomem *rp;
char __iomem *shbuf;
if (test_bit(ST_RXSTOP, &portp->state))
return;
- tty = portp->tty;
+ tty = tty_port_tty_get(&portp->port);
if (tty == NULL)
return;
while (len > 0) {
unsigned char *cptr;
- stlen = MIN(len, stlen);
+ stlen = min(len, stlen);
tty_prepare_flip_string(tty, &cptr, stlen);
memcpy_fromio(cptr, shbuf + tail, stlen);
len -= stlen;
set_bit(ST_RXING, &portp->state);
tty_schedule_flip(tty);
+ tty_kref_put(tty);
}
/*****************************************************************************/
* difficult to deal with them here.
*/
-static void stli_dodelaycmd(stliport_t *portp, cdkctrl_t __iomem *cp)
+static void stli_dodelaycmd(struct stliport *portp, cdkctrl_t __iomem *cp)
{
int cmd;
* then port is still busy, otherwise no longer busy.
*/
-static int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp)
+static int stli_hostcmd(struct stlibrd *brdp, struct stliport *portp)
{
cdkasy_t __iomem *ap;
cdkctrl_t __iomem *cp;
if (ap->notify) {
nt = ap->changed;
ap->notify = 0;
- tty = portp->tty;
+ tty = tty_port_tty_get(&portp->port);
if (nt.signal & SG_DCD) {
oldsigs = portp->sigs;
clear_bit(ST_GETSIGS, &portp->state);
if ((portp->sigs & TIOCM_CD) &&
((oldsigs & TIOCM_CD) == 0))
- wake_up_interruptible(&portp->open_wait);
+ wake_up_interruptible(&portp->port.open_wait);
if ((oldsigs & TIOCM_CD) &&
((portp->sigs & TIOCM_CD) == 0)) {
- if (portp->flags & ASYNC_CHECK_CD) {
+ if (portp->port.flags & ASYNC_CHECK_CD) {
if (tty)
- schedule_work(&portp->tqhangup);
+ tty_hangup(tty);
}
}
}
if (tty != NULL) {
tty_wakeup(tty);
EBRDENABLE(brdp);
- wake_up_interruptible(&tty->write_wait);
}
}
if ((nt.data & DT_RXBREAK) && (portp->rxmarkmsk & BRKINT)) {
if (tty != NULL) {
tty_insert_flip_char(tty, 0, TTY_BREAK);
- if (portp->flags & ASYNC_SAK) {
+ if (portp->port.flags & ASYNC_SAK) {
do_SAK(tty);
EBRDENABLE(brdp);
}
tty_schedule_flip(tty);
}
}
+ tty_kref_put(tty);
if (nt.data & DT_RXBUSY) {
donerx++;
* at the cdk header structure.
*/
-static void stli_brdpoll(stlibrd_t *brdp, cdkhdr_t __iomem *hdrp)
+static void stli_brdpoll(struct stlibrd *brdp, cdkhdr_t __iomem *hdrp)
{
- stliport_t *portp;
+ struct stliport *portp;
unsigned char hostbits[(STL_MAXCHANS / 8) + 1];
unsigned char slavebits[(STL_MAXCHANS / 8) + 1];
unsigned char __iomem *slavep;
static void stli_poll(unsigned long arg)
{
cdkhdr_t __iomem *hdrp;
- stlibrd_t *brdp;
- int brdnr;
+ struct stlibrd *brdp;
+ unsigned int brdnr;
- stli_timerlist.expires = STLI_TIMEOUT;
- add_timer(&stli_timerlist);
+ mod_timer(&stli_timerlist, STLI_TIMEOUT);
/*
* Check each board and do any servicing required.
* the slave.
*/
-static void stli_mkasyport(stliport_t *portp, asyport_t *pp, struct termios *tiosp)
+static void stli_mkasyport(struct tty_struct *tty, struct stliport *portp,
+ asyport_t *pp, struct ktermios *tiosp)
{
memset(pp, 0, sizeof(asyport_t));
/*
* Start of by setting the baud, char size, parity and stop bit info.
*/
- pp->baudout = tiosp->c_cflag & CBAUD;
- if (pp->baudout & CBAUDEX) {
- pp->baudout &= ~CBAUDEX;
- if ((pp->baudout < 1) || (pp->baudout > 4))
- tiosp->c_cflag &= ~CBAUDEX;
- else
- pp->baudout += 15;
- }
- pp->baudout = stli_baudrates[pp->baudout];
+ pp->baudout = tty_get_baud_rate(tty);
if ((tiosp->c_cflag & CBAUD) == B38400) {
- if ((portp->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
+ if ((portp->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
pp->baudout = 57600;
- else if ((portp->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
+ else if ((portp->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
pp->baudout = 115200;
- else if ((portp->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
+ else if ((portp->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
pp->baudout = 230400;
- else if ((portp->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
+ else if ((portp->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
pp->baudout = 460800;
- else if ((portp->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)
+ else if ((portp->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)
pp->baudout = (portp->baud_base / portp->custom_divisor);
}
if (pp->baudout > STL_MAXBAUD)
* Set up clocal processing as required.
*/
if (tiosp->c_cflag & CLOCAL)
- portp->flags &= ~ASYNC_CHECK_CD;
+ portp->port.flags &= ~ASYNC_CHECK_CD;
else
- portp->flags |= ASYNC_CHECK_CD;
+ portp->port.flags |= ASYNC_CHECK_CD;
/*
* Transfer any persistent flags into the asyport structure.
* we need to do here is set up the appropriate per port data structures.
*/
-static int stli_initports(stlibrd_t *brdp)
+static int stli_initports(struct stlibrd *brdp)
{
- stliport_t *portp;
- int i, panelnr, panelport;
+ struct stliport *portp;
+ unsigned int i, panelnr, panelport;
for (i = 0, panelnr = 0, panelport = 0; (i < brdp->nrports); i++) {
- portp = kzalloc(sizeof(stliport_t), GFP_KERNEL);
+ portp = kzalloc(sizeof(struct stliport), GFP_KERNEL);
if (!portp) {
- printk("STALLION: failed to allocate port structure\n");
+ printk(KERN_WARNING "istallion: failed to allocate port structure\n");
continue;
}
-
+ tty_port_init(&portp->port);
+ portp->port.ops = &stli_port_ops;
portp->magic = STLI_PORTMAGIC;
portp->portnr = i;
portp->brdnr = brdp->brdnr;
portp->panelnr = panelnr;
portp->baud_base = STL_BAUDBASE;
- portp->close_delay = STL_CLOSEDELAY;
+ portp->port.close_delay = STL_CLOSEDELAY;
portp->closing_wait = 30 * HZ;
- INIT_WORK(&portp->tqhangup, stli_dohangup, portp);
- init_waitqueue_head(&portp->open_wait);
- init_waitqueue_head(&portp->close_wait);
+ init_waitqueue_head(&portp->port.open_wait);
+ init_waitqueue_head(&portp->port.close_wait);
init_waitqueue_head(&portp->raw_wait);
panelport++;
if (panelport >= brdp->panels[panelnr]) {
* All the following routines are board specific hardware operations.
*/
-static void stli_ecpinit(stlibrd_t *brdp)
+static void stli_ecpinit(struct stlibrd *brdp)
{
unsigned long memconf;
/*****************************************************************************/
-static void stli_ecpenable(stlibrd_t *brdp)
+static void stli_ecpenable(struct stlibrd *brdp)
{
outb(ECP_ATENABLE, (brdp->iobase + ECP_ATCONFR));
}
/*****************************************************************************/
-static void stli_ecpdisable(stlibrd_t *brdp)
+static void stli_ecpdisable(struct stlibrd *brdp)
{
outb(ECP_ATDISABLE, (brdp->iobase + ECP_ATCONFR));
}
/*****************************************************************************/
-static char *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
+static void __iomem *stli_ecpgetmemptr(struct stlibrd *brdp, unsigned long offset, int line)
{
- void *ptr;
+ void __iomem *ptr;
unsigned char val;
if (offset > brdp->memsize) {
- printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
+ printk(KERN_ERR "istallion: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
ptr = NULL;
/*****************************************************************************/
-static void stli_ecpreset(stlibrd_t *brdp)
+static void stli_ecpreset(struct stlibrd *brdp)
{
outb(ECP_ATSTOP, (brdp->iobase + ECP_ATCONFR));
udelay(10);
/*****************************************************************************/
-static void stli_ecpintr(stlibrd_t *brdp)
+static void stli_ecpintr(struct stlibrd *brdp)
{
outb(0x1, brdp->iobase);
}
* The following set of functions act on ECP EISA boards.
*/
-static void stli_ecpeiinit(stlibrd_t *brdp)
+static void stli_ecpeiinit(struct stlibrd *brdp)
{
unsigned long memconf;
/*****************************************************************************/
-static void stli_ecpeienable(stlibrd_t *brdp)
+static void stli_ecpeienable(struct stlibrd *brdp)
{
outb(ECP_EIENABLE, (brdp->iobase + ECP_EICONFR));
}
/*****************************************************************************/
-static void stli_ecpeidisable(stlibrd_t *brdp)
+static void stli_ecpeidisable(struct stlibrd *brdp)
{
outb(ECP_EIDISABLE, (brdp->iobase + ECP_EICONFR));
}
/*****************************************************************************/
-static char *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
+static void __iomem *stli_ecpeigetmemptr(struct stlibrd *brdp, unsigned long offset, int line)
{
- void *ptr;
+ void __iomem *ptr;
unsigned char val;
if (offset > brdp->memsize) {
- printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
+ printk(KERN_ERR "istallion: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
ptr = NULL;
/*****************************************************************************/
-static void stli_ecpeireset(stlibrd_t *brdp)
+static void stli_ecpeireset(struct stlibrd *brdp)
{
outb(ECP_EISTOP, (brdp->iobase + ECP_EICONFR));
udelay(10);
* The following set of functions act on ECP MCA boards.
*/
-static void stli_ecpmcenable(stlibrd_t *brdp)
+static void stli_ecpmcenable(struct stlibrd *brdp)
{
outb(ECP_MCENABLE, (brdp->iobase + ECP_MCCONFR));
}
/*****************************************************************************/
-static void stli_ecpmcdisable(stlibrd_t *brdp)
+static void stli_ecpmcdisable(struct stlibrd *brdp)
{
outb(ECP_MCDISABLE, (brdp->iobase + ECP_MCCONFR));
}
/*****************************************************************************/
-static char *stli_ecpmcgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
+static void __iomem *stli_ecpmcgetmemptr(struct stlibrd *brdp, unsigned long offset, int line)
{
- void *ptr;
+ void __iomem *ptr;
unsigned char val;
if (offset > brdp->memsize) {
- printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
+ printk(KERN_ERR "istallion: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
ptr = NULL;
/*****************************************************************************/
-static void stli_ecpmcreset(stlibrd_t *brdp)
+static void stli_ecpmcreset(struct stlibrd *brdp)
{
outb(ECP_MCSTOP, (brdp->iobase + ECP_MCCONFR));
udelay(10);
* The following set of functions act on ECP PCI boards.
*/
-static void stli_ecppciinit(stlibrd_t *brdp)
+static void stli_ecppciinit(struct stlibrd *brdp)
{
outb(ECP_PCISTOP, (brdp->iobase + ECP_PCICONFR));
udelay(10);
/*****************************************************************************/
-static char *stli_ecppcigetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
+static void __iomem *stli_ecppcigetmemptr(struct stlibrd *brdp, unsigned long offset, int line)
{
- void *ptr;
+ void __iomem *ptr;
unsigned char val;
if (offset > brdp->memsize) {
- printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
+ printk(KERN_ERR "istallion: shared memory pointer=%x out of "
"range at line=%d(%d), board=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
ptr = NULL;
/*****************************************************************************/
-static void stli_ecppcireset(stlibrd_t *brdp)
+static void stli_ecppcireset(struct stlibrd *brdp)
{
outb(ECP_PCISTOP, (brdp->iobase + ECP_PCICONFR));
udelay(10);
* The following routines act on ONboards.
*/
-static void stli_onbinit(stlibrd_t *brdp)
+static void stli_onbinit(struct stlibrd *brdp)
{
unsigned long memconf;
/*****************************************************************************/
-static void stli_onbenable(stlibrd_t *brdp)
+static void stli_onbenable(struct stlibrd *brdp)
{
outb((brdp->enabval | ONB_ATENABLE), (brdp->iobase + ONB_ATCONFR));
}
/*****************************************************************************/
-static void stli_onbdisable(stlibrd_t *brdp)
+static void stli_onbdisable(struct stlibrd *brdp)
{
outb((brdp->enabval | ONB_ATDISABLE), (brdp->iobase + ONB_ATCONFR));
}
/*****************************************************************************/
-static char *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
+static void __iomem *stli_onbgetmemptr(struct stlibrd *brdp, unsigned long offset, int line)
{
- void *ptr;
+ void __iomem *ptr;
if (offset > brdp->memsize) {
- printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
+ printk(KERN_ERR "istallion: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
ptr = NULL;
/*****************************************************************************/
-static void stli_onbreset(stlibrd_t *brdp)
+static void stli_onbreset(struct stlibrd *brdp)
{
outb(ONB_ATSTOP, (brdp->iobase + ONB_ATCONFR));
udelay(10);
* The following routines act on ONboard EISA.
*/
-static void stli_onbeinit(stlibrd_t *brdp)
+static void stli_onbeinit(struct stlibrd *brdp)
{
unsigned long memconf;
/*****************************************************************************/
-static void stli_onbeenable(stlibrd_t *brdp)
+static void stli_onbeenable(struct stlibrd *brdp)
{
outb(ONB_EIENABLE, (brdp->iobase + ONB_EICONFR));
}
/*****************************************************************************/
-static void stli_onbedisable(stlibrd_t *brdp)
+static void stli_onbedisable(struct stlibrd *brdp)
{
outb(ONB_EIDISABLE, (brdp->iobase + ONB_EICONFR));
}
/*****************************************************************************/
-static char *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
+static void __iomem *stli_onbegetmemptr(struct stlibrd *brdp, unsigned long offset, int line)
{
- void *ptr;
+ void __iomem *ptr;
unsigned char val;
if (offset > brdp->memsize) {
- printk(KERN_ERR "STALLION: shared memory pointer=%x out of "
+ printk(KERN_ERR "istallion: shared memory pointer=%x out of "
"range at line=%d(%d), brd=%d\n",
(int) offset, line, __LINE__, brdp->brdnr);
ptr = NULL;
/*****************************************************************************/
-static void stli_onbereset(stlibrd_t *brdp)
+static void stli_onbereset(struct stlibrd *brdp)
{
outb(ONB_EISTOP, (brdp->iobase + ONB_EICONFR));
udelay(10);
* The following routines act on Brumby boards.
*/
-static void stli_bbyinit(stlibrd_t *brdp)
+static void stli_bbyinit(struct stlibrd *brdp)
{
outb(BBY_ATSTOP, (brdp->iobase + BBY_ATCONFR));
udelay(10);
/*****************************************************************************/
-static char *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
+static void __iomem *stli_bbygetmemptr(struct stlibrd *brdp, unsigned long offset, int line)
{
- void *ptr;
+ void __iomem *ptr;
unsigned char val;
BUG_ON(offset > brdp->memsize);
/*****************************************************************************/
-static void stli_bbyreset(stlibrd_t *brdp)
+static void stli_bbyreset(struct stlibrd *brdp)
{
outb(BBY_ATSTOP, (brdp->iobase + BBY_ATCONFR));
udelay(10);
* The following routines act on original old Stallion boards.
*/
-static void stli_stalinit(stlibrd_t *brdp)
+static void stli_stalinit(struct stlibrd *brdp)
{
outb(0x1, brdp->iobase);
mdelay(1000);
/*****************************************************************************/
-static char *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset, int line)
+static void __iomem *stli_stalgetmemptr(struct stlibrd *brdp, unsigned long offset, int line)
{
BUG_ON(offset > brdp->memsize);
return brdp->membase + (offset % STAL_PAGESIZE);
/*****************************************************************************/
-static void stli_stalreset(stlibrd_t *brdp)
+static void stli_stalreset(struct stlibrd *brdp)
{
u32 __iomem *vecp;
* board types.
*/
-static int stli_initecp(stlibrd_t *brdp)
+static int stli_initecp(struct stlibrd *brdp)
{
cdkecpsig_t sig;
cdkecpsig_t __iomem *sigsp;
unsigned int status, nxtid;
char *name;
- int panelnr, nrports;
+ int retval, panelnr, nrports;
- if (!request_region(brdp->iobase, brdp->iosize, "istallion"))
- return -EIO;
-
- if ((brdp->iobase == 0) || (brdp->memaddr == 0))
- {
- release_region(brdp->iobase, brdp->iosize);
- return -ENODEV;
+ if ((brdp->iobase == 0) || (brdp->memaddr == 0)) {
+ retval = -ENODEV;
+ goto err;
}
brdp->iosize = ECP_IOSIZE;
+ if (!request_region(brdp->iobase, brdp->iosize, "istallion")) {
+ retval = -EIO;
+ goto err;
+ }
+
/*
* Based on the specific board type setup the common vars to access
* and enable shared memory. Set all board specific information now
*/
switch (brdp->brdtype) {
case BRD_ECP:
- brdp->membase = (void *) brdp->memaddr;
brdp->memsize = ECP_MEMSIZE;
brdp->pagesize = ECP_ATPAGESIZE;
brdp->init = stli_ecpinit;
break;
case BRD_ECPE:
- brdp->membase = (void *) brdp->memaddr;
brdp->memsize = ECP_MEMSIZE;
brdp->pagesize = ECP_EIPAGESIZE;
brdp->init = stli_ecpeiinit;
break;
case BRD_ECPMC:
- brdp->membase = (void *) brdp->memaddr;
brdp->memsize = ECP_MEMSIZE;
brdp->pagesize = ECP_MCPAGESIZE;
brdp->init = NULL;
break;
case BRD_ECPPCI:
- brdp->membase = (void *) brdp->memaddr;
brdp->memsize = ECP_PCIMEMSIZE;
brdp->pagesize = ECP_PCIPAGESIZE;
brdp->init = stli_ecppciinit;
break;
default:
- release_region(brdp->iobase, brdp->iosize);
- return -EINVAL;
+ retval = -EINVAL;
+ goto err_reg;
}
/*
*/
EBRDINIT(brdp);
- brdp->membase = ioremap(brdp->memaddr, brdp->memsize);
- if (brdp->membase == NULL)
- {
- release_region(brdp->iobase, brdp->iosize);
- return -ENOMEM;
+ brdp->membase = ioremap_nocache(brdp->memaddr, brdp->memsize);
+ if (brdp->membase == NULL) {
+ retval = -ENOMEM;
+ goto err_reg;
}
/*
memcpy_fromio(&sig, sigsp, sizeof(cdkecpsig_t));
EBRDDISABLE(brdp);
- if (sig.magic != cpu_to_le32(ECP_MAGIC))
- {
- release_region(brdp->iobase, brdp->iosize);
- return -ENODEV;
+ if (sig.magic != cpu_to_le32(ECP_MAGIC)) {
+ retval = -ENODEV;
+ goto err_unmap;
}
/*
brdp->state |= BST_FOUND;
return 0;
+err_unmap:
+ iounmap(brdp->membase);
+ brdp->membase = NULL;
+err_reg:
+ release_region(brdp->iobase, brdp->iosize);
+err:
+ return retval;
}
/*****************************************************************************/
* This handles only these board types.
*/
-static int stli_initonb(stlibrd_t *brdp)
+static int stli_initonb(struct stlibrd *brdp)
{
cdkonbsig_t sig;
cdkonbsig_t __iomem *sigsp;
char *name;
- int i;
+ int i, retval;
/*
* Do a basic sanity check on the IO and memory addresses.
*/
- if (brdp->iobase == 0 || brdp->memaddr == 0)
- return -ENODEV;
+ if (brdp->iobase == 0 || brdp->memaddr == 0) {
+ retval = -ENODEV;
+ goto err;
+ }
brdp->iosize = ONB_IOSIZE;
- if (!request_region(brdp->iobase, brdp->iosize, "istallion"))
- return -EIO;
+ if (!request_region(brdp->iobase, brdp->iosize, "istallion")) {
+ retval = -EIO;
+ goto err;
+ }
/*
* Based on the specific board type setup the common vars to access
*/
switch (brdp->brdtype) {
case BRD_ONBOARD:
- case BRD_ONBOARD32:
case BRD_ONBOARD2:
- case BRD_ONBOARD2_32:
- case BRD_ONBOARDRS:
brdp->memsize = ONB_MEMSIZE;
brdp->pagesize = ONB_ATPAGESIZE;
brdp->init = stli_onbinit;
break;
case BRD_BRUMBY4:
- case BRD_BRUMBY8:
- case BRD_BRUMBY16:
brdp->memsize = BBY_MEMSIZE;
brdp->pagesize = BBY_PAGESIZE;
brdp->init = stli_bbyinit;
break;
default:
- release_region(brdp->iobase, brdp->iosize);
- return -EINVAL;
+ retval = -EINVAL;
+ goto err_reg;
}
/*
*/
EBRDINIT(brdp);
- brdp->membase = ioremap(brdp->memaddr, brdp->memsize);
- if (brdp->membase == NULL)
- {
- release_region(brdp->iobase, brdp->iosize);
- return -ENOMEM;
+ brdp->membase = ioremap_nocache(brdp->memaddr, brdp->memsize);
+ if (brdp->membase == NULL) {
+ retval = -ENOMEM;
+ goto err_reg;
}
/*
if (sig.magic0 != cpu_to_le16(ONB_MAGIC0) ||
sig.magic1 != cpu_to_le16(ONB_MAGIC1) ||
sig.magic2 != cpu_to_le16(ONB_MAGIC2) ||
- sig.magic3 != cpu_to_le16(ONB_MAGIC3))
- {
- release_region(brdp->iobase, brdp->iosize);
- return -ENODEV;
+ sig.magic3 != cpu_to_le16(ONB_MAGIC3)) {
+ retval = -ENODEV;
+ goto err_unmap;
}
/*
brdp->state |= BST_FOUND;
return 0;
+err_unmap:
+ iounmap(brdp->membase);
+ brdp->membase = NULL;
+err_reg:
+ release_region(brdp->iobase, brdp->iosize);
+err:
+ return retval;
}
/*****************************************************************************/
* read in the memory map, and get the show on the road...
*/
-static int stli_startbrd(stlibrd_t *brdp)
+static int stli_startbrd(struct stlibrd *brdp)
{
cdkhdr_t __iomem *hdrp;
cdkmem_t __iomem *memp;
cdkasy_t __iomem *ap;
unsigned long flags;
- stliport_t *portp;
- int portnr, nrdevs, i, rc = 0;
+ unsigned int portnr, nrdevs, i;
+ struct stliport *portp;
+ int rc = 0;
u32 memoff;
spin_lock_irqsave(&brd_lock, flags);
#endif
if (nrdevs < (brdp->nrports + 1)) {
- printk(KERN_ERR "STALLION: slave failed to allocate memory for "
+ printk(KERN_ERR "istallion: slave failed to allocate memory for "
"all devices, devices=%d\n", nrdevs);
brdp->nrports = nrdevs - 1;
}
brdp->bitsize = (nrdevs + 7) / 8;
memoff = readl(&hdrp->memp);
if (memoff > brdp->memsize) {
- printk(KERN_ERR "STALLION: corrupted shared memory region?\n");
+ printk(KERN_ERR "istallion: corrupted shared memory region?\n");
rc = -EIO;
goto stli_donestartup;
}
memp = (cdkmem_t __iomem *) EBRDGETMEMPTR(brdp, memoff);
if (readw(&memp->dtype) != TYP_ASYNCTRL) {
- printk(KERN_ERR "STALLION: no slave control device found\n");
+ printk(KERN_ERR "istallion: no slave control device found\n");
goto stli_donestartup;
}
memp++;
if (! stli_timeron) {
stli_timeron++;
- stli_timerlist.expires = STLI_TIMEOUT;
- add_timer(&stli_timerlist);
+ mod_timer(&stli_timerlist, STLI_TIMEOUT);
}
return rc;
* Probe and initialize the specified board.
*/
-static int __init stli_brdinit(stlibrd_t *brdp)
+static int __devinit stli_brdinit(struct stlibrd *brdp)
{
- stli_brds[brdp->brdnr] = brdp;
+ int retval;
switch (brdp->brdtype) {
case BRD_ECP:
case BRD_ECPE:
case BRD_ECPMC:
case BRD_ECPPCI:
- stli_initecp(brdp);
+ retval = stli_initecp(brdp);
break;
case BRD_ONBOARD:
case BRD_ONBOARDE:
case BRD_ONBOARD2:
- case BRD_ONBOARD32:
- case BRD_ONBOARD2_32:
- case BRD_ONBOARDRS:
case BRD_BRUMBY4:
- case BRD_BRUMBY8:
- case BRD_BRUMBY16:
case BRD_STALLION:
- stli_initonb(brdp);
+ retval = stli_initonb(brdp);
break;
- case BRD_EASYIO:
- case BRD_ECH:
- case BRD_ECHMC:
- case BRD_ECHPCI:
- printk(KERN_ERR "STALLION: %s board type not supported in "
- "this driver\n", stli_brdnames[brdp->brdtype]);
- return -ENODEV;
default:
- printk(KERN_ERR "STALLION: board=%d is unknown board "
+ printk(KERN_ERR "istallion: board=%d is unknown board "
"type=%d\n", brdp->brdnr, brdp->brdtype);
- return -ENODEV;
+ retval = -ENODEV;
}
- if ((brdp->state & BST_FOUND) == 0) {
- printk(KERN_ERR "STALLION: %s board not found, board=%d "
- "io=%x mem=%x\n",
- stli_brdnames[brdp->brdtype], brdp->brdnr,
- brdp->iobase, (int) brdp->memaddr);
- return -ENODEV;
- }
+ if (retval)
+ return retval;
stli_initports(brdp);
- printk(KERN_INFO "STALLION: %s found, board=%d io=%x mem=%x "
+ printk(KERN_INFO "istallion: %s found, board=%d io=%x mem=%x "
"nrpanels=%d nrports=%d\n", stli_brdnames[brdp->brdtype],
brdp->brdnr, brdp->iobase, (int) brdp->memaddr,
brdp->nrpanels, brdp->nrports);
return 0;
}
+#if STLI_EISAPROBE != 0
/*****************************************************************************/
/*
* might be. This is a bit if hack, but it is the best we can do.
*/
-static int stli_eisamemprobe(stlibrd_t *brdp)
+static int stli_eisamemprobe(struct stlibrd *brdp)
{
cdkecpsig_t ecpsig, __iomem *ecpsigp;
cdkonbsig_t onbsig, __iomem *onbsigp;
*/
for (i = 0; (i < stli_eisamempsize); i++) {
brdp->memaddr = stli_eisamemprobeaddrs[i];
- brdp->membase = ioremap(brdp->memaddr, brdp->memsize);
+ brdp->membase = ioremap_nocache(brdp->memaddr, brdp->memsize);
if (brdp->membase == NULL)
continue;
if (brdp->brdtype == BRD_ECPE) {
- ecpsigp = (cdkecpsig_t __iomem *) stli_ecpeigetmemptr(brdp,
+ ecpsigp = stli_ecpeigetmemptr(brdp,
CDK_SIGADDR, __LINE__);
memcpy_fromio(&ecpsig, ecpsigp, sizeof(cdkecpsig_t));
if (ecpsig.magic == cpu_to_le32(ECP_MAGIC))
if (! foundit) {
brdp->memaddr = 0;
brdp->membase = NULL;
- printk(KERN_ERR "STALLION: failed to probe shared memory "
+ printk(KERN_ERR "istallion: failed to probe shared memory "
"region for %s in EISA slot=%d\n",
stli_brdnames[brdp->brdtype], (brdp->iobase >> 12));
return -ENODEV;
}
return 0;
}
+#endif
static int stli_getbrdnr(void)
{
- int i;
+ unsigned int i;
for (i = 0; i < STL_MAXBRDS; i++) {
if (!stli_brds[i]) {
return -1;
}
+#if STLI_EISAPROBE != 0
/*****************************************************************************/
/*
* do is go probing around in the usual places hoping we can find it.
*/
-static int stli_findeisabrds(void)
+static int __init stli_findeisabrds(void)
{
- stlibrd_t *brdp;
- unsigned int iobase, eid;
- int i;
+ struct stlibrd *brdp;
+ unsigned int iobase, eid, i;
+ int brdnr, found = 0;
/*
* Firstly check if this is an EISA system. If this is not an EISA system then
* Allocate a board structure and initialize it.
*/
if ((brdp = stli_allocbrd()) == NULL)
- return -ENOMEM;
- if ((brdp->brdnr = stli_getbrdnr()) < 0)
- return -ENOMEM;
+ return found ? : -ENOMEM;
+ brdnr = stli_getbrdnr();
+ if (brdnr < 0)
+ return found ? : -ENOMEM;
+ brdp->brdnr = (unsigned int)brdnr;
eid = inb(iobase + 0xc82);
if (eid == ECP_EISAID)
brdp->brdtype = BRD_ECPE;
outb(0x1, (iobase + 0xc84));
if (stli_eisamemprobe(brdp))
outb(0, (iobase + 0xc84));
- stli_brdinit(brdp);
+ if (stli_brdinit(brdp) < 0) {
+ kfree(brdp);
+ continue;
+ }
+
+ stli_brds[brdp->brdnr] = brdp;
+ found++;
+
+ for (i = 0; i < brdp->nrports; i++)
+ tty_register_device(stli_serial,
+ brdp->brdnr * STL_MAXPORTS + i, NULL);
}
- return 0;
+ return found;
}
+#else
+static inline int stli_findeisabrds(void) { return 0; }
+#endif
/*****************************************************************************/
/*****************************************************************************/
-#ifdef CONFIG_PCI
-
/*
* We have a Stallion board. Allocate a board structure and
* initialize it. Read its IO and MEMORY resources from PCI
* configuration space.
*/
-static int stli_initpcibrd(int brdtype, struct pci_dev *devp)
+static int __devinit stli_pciprobe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
{
- stlibrd_t *brdp;
-
- if (pci_enable_device(devp))
- return -EIO;
- if ((brdp = stli_allocbrd()) == NULL)
- return -ENOMEM;
- if ((brdp->brdnr = stli_getbrdnr()) < 0) {
- printk(KERN_INFO "STALLION: too many boards found, "
+ struct stlibrd *brdp;
+ unsigned int i;
+ int brdnr, retval = -EIO;
+
+ retval = pci_enable_device(pdev);
+ if (retval)
+ goto err;
+ brdp = stli_allocbrd();
+ if (brdp == NULL) {
+ retval = -ENOMEM;
+ goto err;
+ }
+ mutex_lock(&stli_brdslock);
+ brdnr = stli_getbrdnr();
+ if (brdnr < 0) {
+ printk(KERN_INFO "istallion: too many boards found, "
"maximum supported %d\n", STL_MAXBRDS);
- return 0;
+ mutex_unlock(&stli_brdslock);
+ retval = -EIO;
+ goto err_fr;
}
- brdp->brdtype = brdtype;
+ brdp->brdnr = (unsigned int)brdnr;
+ stli_brds[brdp->brdnr] = brdp;
+ mutex_unlock(&stli_brdslock);
+ brdp->brdtype = BRD_ECPPCI;
/*
* We have all resources from the board, so lets setup the actual
* board structure now.
*/
- brdp->iobase = pci_resource_start(devp, 3);
- brdp->memaddr = pci_resource_start(devp, 2);
- stli_brdinit(brdp);
+ brdp->iobase = pci_resource_start(pdev, 3);
+ brdp->memaddr = pci_resource_start(pdev, 2);
+ retval = stli_brdinit(brdp);
+ if (retval)
+ goto err_null;
+
+ brdp->state |= BST_PROBED;
+ pci_set_drvdata(pdev, brdp);
+
+ EBRDENABLE(brdp);
+ brdp->enable = NULL;
+ brdp->disable = NULL;
+
+ for (i = 0; i < brdp->nrports; i++)
+ tty_register_device(stli_serial, brdp->brdnr * STL_MAXPORTS + i,
+ &pdev->dev);
return 0;
+err_null:
+ stli_brds[brdp->brdnr] = NULL;
+err_fr:
+ kfree(brdp);
+err:
+ return retval;
}
-/*****************************************************************************/
+static void __devexit stli_pciremove(struct pci_dev *pdev)
+{
+ struct stlibrd *brdp = pci_get_drvdata(pdev);
-/*
- * Find all Stallion PCI boards that might be installed. Initialize each
- * one as it is found.
- */
+ stli_cleanup_ports(brdp);
-static int stli_findpcibrds(void)
-{
- struct pci_dev *dev = NULL;
+ iounmap(brdp->membase);
+ if (brdp->iosize > 0)
+ release_region(brdp->iobase, brdp->iosize);
- while ((dev = pci_get_device(PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECRA, dev))) {
- stli_initpcibrd(BRD_ECPPCI, dev);
- }
- return 0;
+ stli_brds[brdp->brdnr] = NULL;
+ kfree(brdp);
}
-#endif
-
+static struct pci_driver stli_pcidriver = {
+ .name = "istallion",
+ .id_table = istallion_pci_tbl,
+ .probe = stli_pciprobe,
+ .remove = __devexit_p(stli_pciremove)
+};
/*****************************************************************************/
/*
* Allocate a new board structure. Fill out the basic info in it.
*/
-static stlibrd_t *stli_allocbrd(void)
+static struct stlibrd *stli_allocbrd(void)
{
- stlibrd_t *brdp;
+ struct stlibrd *brdp;
- brdp = kzalloc(sizeof(stlibrd_t), GFP_KERNEL);
+ brdp = kzalloc(sizeof(struct stlibrd), GFP_KERNEL);
if (!brdp) {
- printk(KERN_ERR "STALLION: failed to allocate memory "
- "(size=%Zd)\n", sizeof(stlibrd_t));
+ printk(KERN_ERR "istallion: failed to allocate memory "
+ "(size=%Zd)\n", sizeof(struct stlibrd));
return NULL;
}
brdp->magic = STLI_BOARDMAGIC;
* can find.
*/
-static int stli_initbrds(void)
+static int __init stli_initbrds(void)
{
- stlibrd_t *brdp, *nxtbrdp;
- stlconf_t *confp;
- int i, j;
-
- if (stli_nrbrds > STL_MAXBRDS) {
- printk(KERN_INFO "STALLION: too many boards in configuration "
- "table, truncating to %d\n", STL_MAXBRDS);
- stli_nrbrds = STL_MAXBRDS;
- }
+ struct stlibrd *brdp, *nxtbrdp;
+ struct stlconf conf;
+ unsigned int i, j, found = 0;
+ int retval;
-/*
- * Firstly scan the list of static boards configured. Allocate
- * resources and initialize the boards as found. If this is a
- * module then let the module args override static configuration.
- */
- for (i = 0; (i < stli_nrbrds); i++) {
- confp = &stli_brdconf[i];
- stli_parsebrd(confp, stli_brdsp[i]);
+ for (stli_nrbrds = 0; stli_nrbrds < ARRAY_SIZE(stli_brdsp);
+ stli_nrbrds++) {
+ memset(&conf, 0, sizeof(conf));
+ if (stli_parsebrd(&conf, stli_brdsp[stli_nrbrds]) == 0)
+ continue;
if ((brdp = stli_allocbrd()) == NULL)
- return -ENOMEM;
- brdp->brdnr = i;
- brdp->brdtype = confp->brdtype;
- brdp->iobase = confp->ioaddr1;
- brdp->memaddr = confp->memaddr;
- stli_brdinit(brdp);
+ continue;
+ brdp->brdnr = stli_nrbrds;
+ brdp->brdtype = conf.brdtype;
+ brdp->iobase = conf.ioaddr1;
+ brdp->memaddr = conf.memaddr;
+ if (stli_brdinit(brdp) < 0) {
+ kfree(brdp);
+ continue;
+ }
+ stli_brds[brdp->brdnr] = brdp;
+ found++;
+
+ for (i = 0; i < brdp->nrports; i++)
+ tty_register_device(stli_serial,
+ brdp->brdnr * STL_MAXPORTS + i, NULL);
}
-/*
- * Static configuration table done, so now use dynamic methods to
- * see if any more boards should be configured.
- */
- stli_argbrds();
- if (STLI_EISAPROBE)
- stli_findeisabrds();
-#ifdef CONFIG_PCI
- stli_findpcibrds();
-#endif
+ retval = stli_findeisabrds();
+ if (retval > 0)
+ found += retval;
/*
* All found boards are initialized. Now for a little optimization, if
}
}
+ retval = pci_register_driver(&stli_pcidriver);
+ if (retval && found == 0) {
+ printk(KERN_ERR "Neither isa nor eisa cards found nor pci "
+ "driver can be registered!\n");
+ goto err;
+ }
+
return 0;
+err:
+ return retval;
}
/*****************************************************************************/
static ssize_t stli_memread(struct file *fp, char __user *buf, size_t count, loff_t *offp)
{
unsigned long flags;
- void *memptr;
- stlibrd_t *brdp;
- int brdnr, size, n;
+ void __iomem *memptr;
+ struct stlibrd *brdp;
+ unsigned int brdnr;
+ int size, n;
void *p;
loff_t off = *offp;
- brdnr = iminor(fp->f_dentry->d_inode);
+ brdnr = iminor(fp->f_path.dentry->d_inode);
if (brdnr >= stli_nrbrds)
return -ENODEV;
brdp = stli_brds[brdnr];
if (off >= brdp->memsize || off + count < off)
return 0;
- size = MIN(count, (brdp->memsize - off));
+ size = min(count, (size_t)(brdp->memsize - off));
/*
* Copy the data a page at a time
while (size > 0) {
spin_lock_irqsave(&brd_lock, flags);
EBRDENABLE(brdp);
- memptr = (void *) EBRDGETMEMPTR(brdp, off);
- n = MIN(size, (brdp->pagesize - (((unsigned long) off) % brdp->pagesize)));
- n = MIN(n, PAGE_SIZE);
+ memptr = EBRDGETMEMPTR(brdp, off);
+ n = min(size, (int)(brdp->pagesize - (((unsigned long) off) % brdp->pagesize)));
+ n = min(n, (int)PAGE_SIZE);
memcpy_fromio(p, memptr, n);
EBRDDISABLE(brdp);
spin_unlock_irqrestore(&brd_lock, flags);
static ssize_t stli_memwrite(struct file *fp, const char __user *buf, size_t count, loff_t *offp)
{
unsigned long flags;
- void *memptr;
- stlibrd_t *brdp;
+ void __iomem *memptr;
+ struct stlibrd *brdp;
char __user *chbuf;
- int brdnr, size, n;
+ unsigned int brdnr;
+ int size, n;
void *p;
loff_t off = *offp;
- brdnr = iminor(fp->f_dentry->d_inode);
+ brdnr = iminor(fp->f_path.dentry->d_inode);
if (brdnr >= stli_nrbrds)
return -ENODEV;
return 0;
chbuf = (char __user *) buf;
- size = MIN(count, (brdp->memsize - off));
+ size = min(count, (size_t)(brdp->memsize - off));
/*
* Copy the data a page at a time
return -ENOMEM;
while (size > 0) {
- n = MIN(size, (brdp->pagesize - (((unsigned long) off) % brdp->pagesize)));
- n = MIN(n, PAGE_SIZE);
+ n = min(size, (int)(brdp->pagesize - (((unsigned long) off) % brdp->pagesize)));
+ n = min(n, (int)PAGE_SIZE);
if (copy_from_user(p, chbuf, n)) {
if (count == 0)
count = -EFAULT;
}
spin_lock_irqsave(&brd_lock, flags);
EBRDENABLE(brdp);
- memptr = (void *) EBRDGETMEMPTR(brdp, off);
+ memptr = EBRDGETMEMPTR(brdp, off);
memcpy_toio(memptr, p, n);
EBRDDISABLE(brdp);
spin_unlock_irqrestore(&brd_lock, flags);
static int stli_getbrdstats(combrd_t __user *bp)
{
- stlibrd_t *brdp;
- int i;
+ struct stlibrd *brdp;
+ unsigned int i;
if (copy_from_user(&stli_brdstats, bp, sizeof(combrd_t)))
return -EFAULT;
* Resolve the referenced port number into a port struct pointer.
*/
-static stliport_t *stli_getport(int brdnr, int panelnr, int portnr)
+static struct stliport *stli_getport(unsigned int brdnr, unsigned int panelnr,
+ unsigned int portnr)
{
- stlibrd_t *brdp;
- int i;
+ struct stlibrd *brdp;
+ unsigned int i;
- if (brdnr < 0 || brdnr >= STL_MAXBRDS)
+ if (brdnr >= STL_MAXBRDS)
return NULL;
brdp = stli_brds[brdnr];
if (brdp == NULL)
return NULL;
for (i = 0; (i < panelnr); i++)
portnr += brdp->panels[i];
- if ((portnr < 0) || (portnr >= brdp->nrports))
+ if (portnr >= brdp->nrports)
return NULL;
return brdp->ports[portnr];
}
* what port to get stats for (used through board control device).
*/
-static int stli_portcmdstats(stliport_t *portp)
+static int stli_portcmdstats(struct tty_struct *tty, struct stliport *portp)
{
unsigned long flags;
- stlibrd_t *brdp;
+ struct stlibrd *brdp;
int rc;
memset(&stli_comstats, 0, sizeof(comstats_t));
stli_comstats.panel = portp->panelnr;
stli_comstats.port = portp->portnr;
stli_comstats.state = portp->state;
- stli_comstats.flags = portp->flags;
+ stli_comstats.flags = portp->port.flags;
spin_lock_irqsave(&brd_lock, flags);
- if (portp->tty != NULL) {
- if (portp->tty->driver_data == portp) {
- stli_comstats.ttystate = portp->tty->flags;
+ if (tty != NULL) {
+ if (portp->port.tty == tty) {
+ stli_comstats.ttystate = tty->flags;
stli_comstats.rxbuffered = -1;
- if (portp->tty->termios != NULL) {
- stli_comstats.cflags = portp->tty->termios->c_cflag;
- stli_comstats.iflags = portp->tty->termios->c_iflag;
- stli_comstats.oflags = portp->tty->termios->c_oflag;
- stli_comstats.lflags = portp->tty->termios->c_lflag;
+ if (tty->termios != NULL) {
+ stli_comstats.cflags = tty->termios->c_cflag;
+ stli_comstats.iflags = tty->termios->c_iflag;
+ stli_comstats.oflags = tty->termios->c_oflag;
+ stli_comstats.lflags = tty->termios->c_lflag;
}
}
}
* what port to get stats for (used through board control device).
*/
-static int stli_getportstats(stliport_t *portp, comstats_t __user *cp)
+static int stli_getportstats(struct tty_struct *tty, struct stliport *portp,
+ comstats_t __user *cp)
{
- stlibrd_t *brdp;
+ struct stlibrd *brdp;
int rc;
if (!portp) {
if (!brdp)
return -ENODEV;
- if ((rc = stli_portcmdstats(portp)) < 0)
+ if ((rc = stli_portcmdstats(tty, portp)) < 0)
return rc;
return copy_to_user(cp, &stli_comstats, sizeof(comstats_t)) ?
* Clear the port stats structure. We also return it zeroed out...
*/
-static int stli_clrportstats(stliport_t *portp, comstats_t __user *cp)
+static int stli_clrportstats(struct stliport *portp, comstats_t __user *cp)
{
- stlibrd_t *brdp;
+ struct stlibrd *brdp;
int rc;
if (!portp) {
* Return the entire driver ports structure to a user app.
*/
-static int stli_getportstruct(stliport_t __user *arg)
+static int stli_getportstruct(struct stliport __user *arg)
{
- stliport_t *portp;
+ struct stliport stli_dummyport;
+ struct stliport *portp;
- if (copy_from_user(&stli_dummyport, arg, sizeof(stliport_t)))
+ if (copy_from_user(&stli_dummyport, arg, sizeof(struct stliport)))
return -EFAULT;
portp = stli_getport(stli_dummyport.brdnr, stli_dummyport.panelnr,
stli_dummyport.portnr);
if (!portp)
return -ENODEV;
- if (copy_to_user(arg, portp, sizeof(stliport_t)))
+ if (copy_to_user(arg, portp, sizeof(struct stliport)))
return -EFAULT;
return 0;
}
* Return the entire driver board structure to a user app.
*/
-static int stli_getbrdstruct(stlibrd_t __user *arg)
+static int stli_getbrdstruct(struct stlibrd __user *arg)
{
- stlibrd_t *brdp;
+ struct stlibrd stli_dummybrd;
+ struct stlibrd *brdp;
- if (copy_from_user(&stli_dummybrd, arg, sizeof(stlibrd_t)))
+ if (copy_from_user(&stli_dummybrd, arg, sizeof(struct stlibrd)))
return -EFAULT;
- if ((stli_dummybrd.brdnr < 0) || (stli_dummybrd.brdnr >= STL_MAXBRDS))
+ if (stli_dummybrd.brdnr >= STL_MAXBRDS)
return -ENODEV;
brdp = stli_brds[stli_dummybrd.brdnr];
if (!brdp)
return -ENODEV;
- if (copy_to_user(arg, brdp, sizeof(stlibrd_t)))
+ if (copy_to_user(arg, brdp, sizeof(struct stlibrd)))
return -EFAULT;
return 0;
}
static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, unsigned long arg)
{
- stlibrd_t *brdp;
+ struct stlibrd *brdp;
int brdnr, rc, done;
void __user *argp = (void __user *)arg;
done = 0;
rc = 0;
+ lock_kernel();
+
switch (cmd) {
case COM_GETPORTSTATS:
- rc = stli_getportstats(NULL, argp);
+ rc = stli_getportstats(NULL, NULL, argp);
done++;
break;
case COM_CLRPORTSTATS:
done++;
break;
}
+ unlock_kernel();
if (done)
return rc;
if (brdp->state == 0)
return -ENODEV;
+ lock_kernel();
+
switch (cmd) {
case STL_BINTR:
EBRDINTR(brdp);
rc = -ENOIOCTLCMD;
break;
}
+ unlock_kernel();
return rc;
}
-static struct tty_operations stli_ops = {
+static const struct tty_operations stli_ops = {
.open = stli_open,
.close = stli_close,
.write = stli_write,
.break_ctl = stli_breakctl,
.wait_until_sent = stli_waituntilsent,
.send_xchar = stli_sendxchar,
- .read_proc = stli_readproc,
.tiocmget = stli_tiocmget,
.tiocmset = stli_tiocmset,
+ .proc_fops = &stli_proc_fops,
+};
+
+static const struct tty_port_operations stli_port_ops = {
+ .carrier_raised = stli_carrier_raised,
+ .dtr_rts = stli_dtr_rts,
};
/*****************************************************************************/
+/*
+ * Loadable module initialization stuff.
+ */
-static int __init stli_init(void)
+static void istallion_cleanup_isa(void)
{
- int i;
+ struct stlibrd *brdp;
+ unsigned int j;
+
+ for (j = 0; (j < stli_nrbrds); j++) {
+ if ((brdp = stli_brds[j]) == NULL || (brdp->state & BST_PROBED))
+ continue;
+
+ stli_cleanup_ports(brdp);
+
+ iounmap(brdp->membase);
+ if (brdp->iosize > 0)
+ release_region(brdp->iobase, brdp->iosize);
+ kfree(brdp);
+ stli_brds[j] = NULL;
+ }
+}
+
+static int __init istallion_module_init(void)
+{
+ unsigned int i;
+ int retval;
+
printk(KERN_INFO "%s: version %s\n", stli_drvtitle, stli_drvversion);
spin_lock_init(&stli_lock);
spin_lock_init(&brd_lock);
- stli_initbrds();
-
- stli_serial = alloc_tty_driver(STL_MAXBRDS * STL_MAXPORTS);
- if (!stli_serial)
- return -ENOMEM;
-
-/*
- * Allocate a temporary write buffer.
- */
stli_txcookbuf = kmalloc(STLI_TXBUFSIZE, GFP_KERNEL);
- if (!stli_txcookbuf)
- printk(KERN_ERR "STALLION: failed to allocate memory "
+ if (!stli_txcookbuf) {
+ printk(KERN_ERR "istallion: failed to allocate memory "
"(size=%d)\n", STLI_TXBUFSIZE);
+ retval = -ENOMEM;
+ goto err;
+ }
-/*
- * Set up a character driver for the shared memory region. We need this
- * to down load the slave code image. Also it is a useful debugging tool.
- */
- if (register_chrdev(STL_SIOMEMMAJOR, "staliomem", &stli_fsiomem))
- printk(KERN_ERR "STALLION: failed to register serial memory "
- "device\n");
-
- istallion_class = class_create(THIS_MODULE, "staliomem");
- for (i = 0; i < 4; i++)
- class_device_create(istallion_class, NULL,
- MKDEV(STL_SIOMEMMAJOR, i),
- NULL, "staliomem%d", i);
+ stli_serial = alloc_tty_driver(STL_MAXBRDS * STL_MAXPORTS);
+ if (!stli_serial) {
+ retval = -ENOMEM;
+ goto err_free;
+ }
-/*
- * Set up the tty driver structure and register us as a driver.
- */
stli_serial->owner = THIS_MODULE;
stli_serial->driver_name = stli_drvname;
stli_serial->name = stli_serialname;
stli_serial->type = TTY_DRIVER_TYPE_SERIAL;
stli_serial->subtype = SERIAL_TYPE_NORMAL;
stli_serial->init_termios = stli_deftermios;
- stli_serial->flags = TTY_DRIVER_REAL_RAW;
+ stli_serial->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
tty_set_operations(stli_serial, &stli_ops);
- if (tty_register_driver(stli_serial)) {
- put_tty_driver(stli_serial);
- printk(KERN_ERR "STALLION: failed to register serial driver\n");
- return -EBUSY;
+ retval = tty_register_driver(stli_serial);
+ if (retval) {
+ printk(KERN_ERR "istallion: failed to register serial driver\n");
+ goto err_ttyput;
}
+
+ retval = stli_initbrds();
+ if (retval)
+ goto err_ttyunr;
+
+/*
+ * Set up a character driver for the shared memory region. We need this
+ * to down load the slave code image. Also it is a useful debugging tool.
+ */
+ retval = register_chrdev(STL_SIOMEMMAJOR, "staliomem", &stli_fsiomem);
+ if (retval) {
+ printk(KERN_ERR "istallion: failed to register serial memory "
+ "device\n");
+ goto err_deinit;
+ }
+
+ istallion_class = class_create(THIS_MODULE, "staliomem");
+ for (i = 0; i < 4; i++)
+ device_create(istallion_class, NULL, MKDEV(STL_SIOMEMMAJOR, i),
+ NULL, "staliomem%d", i);
+
return 0;
+err_deinit:
+ pci_unregister_driver(&stli_pcidriver);
+ istallion_cleanup_isa();
+err_ttyunr:
+ tty_unregister_driver(stli_serial);
+err_ttyput:
+ put_tty_driver(stli_serial);
+err_free:
+ kfree(stli_txcookbuf);
+err:
+ return retval;
}
/*****************************************************************************/
+
+static void __exit istallion_module_exit(void)
+{
+ unsigned int j;
+
+ printk(KERN_INFO "Unloading %s: version %s\n", stli_drvtitle,
+ stli_drvversion);
+
+ if (stli_timeron) {
+ stli_timeron = 0;
+ del_timer_sync(&stli_timerlist);
+ }
+
+ unregister_chrdev(STL_SIOMEMMAJOR, "staliomem");
+
+ for (j = 0; j < 4; j++)
+ device_destroy(istallion_class, MKDEV(STL_SIOMEMMAJOR, j));
+ class_destroy(istallion_class);
+
+ pci_unregister_driver(&stli_pcidriver);
+ istallion_cleanup_isa();
+
+ tty_unregister_driver(stli_serial);
+ put_tty_driver(stli_serial);
+
+ kfree(stli_txcookbuf);
+}
+
+module_init(istallion_module_init);
+module_exit(istallion_module_exit);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff